81867240

素因数分解:

$2^3\times 3^3\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:71

約数の個数: 512

約数和(自身を含む): 362880000

約数和(自身を除く): 281012760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 17, 18, 20, 21, 24, 26, 27, 28, 30, 34, 35, 36, 39, 40, 42, 45, 49, 51, 52, 54, 56, 60, 63, 65, 68, 70, 72, 78, 84, 85, 90, 91, 98, 102, 104, 105, 108, 117, 119, 120, 126, 130, 135, 136, 140, 147, 153, 156, 168, 170, 180, 182, 189, 195, 196, 204, 210, 216, 221, 234, 238, 245, 252, 255, 260, 270, 273, 280, 294, 306, 312, 315, 340, 343, 351, 357, 360, 364, 378, 390, 392, 408, 420, 441, 442, 455, 459, 468, 476, 490, 504, 510, 520, 540, 546, 585, 588, 595, 612, 630, 637, 663, 680, 686, 702, 714, 728, 735, 756, 765, 780, 819, 833, 840, 882, 884, 910, 918, 936, 945, 952, 980, 1020, 1029, 1071, 1080, 1092, 1105, 1170, 1176, 1190, 1224, 1260, 1274, 1323, 1326, 1365, 1372, 1404, 1428, 1470, 1512, 1530, 1547, 1560, 1638, 1666, 1715, 1755, 1764, 1768, 1785, 1820, 1836, 1890, 1911, 1960, 1989, 2040, 2058, 2142, 2184, 2205, 2210, 2295, 2340, 2380, 2457, 2499, 2520, 2548, 2646, 2652, 2730, 2744, 2808, 2856, 2940, 3060, 3087, 3094, 3185, 3213, 3276, 3315, 3332, 3430, 3510, 3528, 3570, 3640, 3672, 3780, 3822, 3978, 4095, 4116, 4165, 4284, 4410, 4420, 4459, 4590, 4641, 4680, 4760, 4914, 4998, 5096, 5145, 5292, 5304, 5355, 5460, 5733, 5831, 5880, 5967, 6120, 6174, 6188, 6370, 6426, 6552, 6615, 6630, 6664, 6860, 7020, 7140, 7497, 7560, 7644, 7735, 7956, 8190, 8232, 8330, 8568, 8820, 8840, 8918, 9180, 9261, 9282, 9555, 9828, 9945, 9996, 10290, 10584, 10710, 10829, 10920, 11466, 11662, 11934, 12285, 12348, 12376, 12495, 12740, 12852, 13230, 13260, 13377, 13720, 13923, 14040, 14280, 14994, 15288, 15435, 15470, 15912, 16065, 16380, 16660, 17199, 17493, 17640, 17836, 18360, 18522, 18564, 19110, 19656, 19890, 19992, 20580, 21420, 21658, 22295, 22491, 22932, 23205, 23324, 23868, 24570, 24696, 24990, 25480, 25704, 26460, 26520, 26754, 27846, 28665, 29155, 29835, 29988, 30870, 30940, 32130, 32487, 32760, 33320, 34398, 34986, 35672, 37044, 37128, 37485, 38220, 39780, 40131, 41160, 41769, 42840, 43316, 44590, 44982, 45864, 46305, 46410, 46648, 47736, 49140, 49980, 52479, 52920, 53508, 54145, 55692, 57330, 58310, 59670, 59976, 61740, 61880, 64260, 64974, 66885, 68796, 69615, 69972, 74088, 74970, 75803, 76440, 79560, 80262, 83538, 85995, 86632, 87465, 89180, 89964, 92610, 92820, 97461, 98280, 99960, 104958, 107016, 108290, 111384, 112455, 114660, 116620, 119340, 120393, 123480, 128520, 129948, 133770, 137592, 139230, 139944, 149940, 151606, 157437, 160524, 162435, 167076, 171990, 174930, 178360, 179928, 185220, 185640, 194922, 200655, 208845, 209916, 216580, 224910, 227409, 229320, 233240, 238680, 240786, 259896, 262395, 267540, 278460, 292383, 299880, 303212, 314874, 321048, 324870, 334152, 343980, 349860, 370440, 379015, 389844, 401310, 417690, 419832, 433160, 449820, 454818, 481572, 487305, 524790, 535080, 556920, 584766, 601965, 606424, 629748, 649740, 682227, 687960, 699720, 758030, 779688, 787185, 802620, 835380, 899640, 909636, 963144, 974610, 1049580, 1137045, 1169532, 1203930, 1259496, 1299480, 1364454, 1461915, 1516060, 1574370, 1605240, 1670760, 1819272, 1949220, 2046681, 2099160, 2274090, 2339064, 2407860, 2728908, 2923830, 3032120, 3148740, 3411135, 3898440, 4093362, 4548180, 4815720, 5457816, 5847660, 6297480, 6822270, 8186724, 9096360, 10233405, 11695320, 13644540, 16373448, 20466810, 27289080, 40933620, 81867240]

約数ペア:

[(1, 81867240), (2, 40933620), (3, 27289080), (4, 20466810), (5, 16373448), (6, 13644540), (7, 11695320), (8, 10233405), (9, 9096360), (10, 8186724), (12, 6822270), (13, 6297480), (14, 5847660), (15, 5457816), (17, 4815720), (18, 4548180), (20, 4093362), (21, 3898440), (24, 3411135), (26, 3148740), (27, 3032120), (28, 2923830), (30, 2728908), (34, 2407860), (35, 2339064), (36, 2274090), (39, 2099160), (40, 2046681), (42, 1949220), (45, 1819272), (49, 1670760), (51, 1605240), (52, 1574370), (54, 1516060), (56, 1461915), (60, 1364454), (63, 1299480), (65, 1259496), (68, 1203930), (70, 1169532), (72, 1137045), (78, 1049580), (84, 974610), (85, 963144), (90, 909636), (91, 899640), (98, 835380), (102, 802620), (104, 787185), (105, 779688), (108, 758030), (117, 699720), (119, 687960), (120, 682227), (126, 649740), (130, 629748), (135, 606424), (136, 601965), (140, 584766), (147, 556920), (153, 535080), (156, 524790), (168, 487305), (170, 481572), (180, 454818), (182, 449820), (189, 433160), (195, 419832), (196, 417690), (204, 401310), (210, 389844), (216, 379015), (221, 370440), (234, 349860), (238, 343980), (245, 334152), (252, 324870), (255, 321048), (260, 314874), (270, 303212), (273, 299880), (280, 292383), (294, 278460), (306, 267540), (312, 262395), (315, 259896), (340, 240786), (343, 238680), (351, 233240), (357, 229320), (360, 227409), (364, 224910), (378, 216580), (390, 209916), (392, 208845), (408, 200655), (420, 194922), (441, 185640), (442, 185220), (455, 179928), (459, 178360), (468, 174930), (476, 171990), (490, 167076), (504, 162435), (510, 160524), (520, 157437), (540, 151606), (546, 149940), (585, 139944), (588, 139230), (595, 137592), (612, 133770), (630, 129948), (637, 128520), (663, 123480), (680, 120393), (686, 119340), (702, 116620), (714, 114660), (728, 112455), (735, 111384), (756, 108290), (765, 107016), (780, 104958), (819, 99960), (833, 98280), (840, 97461), (882, 92820), (884, 92610), (910, 89964), (918, 89180), (936, 87465), (945, 86632), (952, 85995), (980, 83538), (1020, 80262), (1029, 79560), (1071, 76440), (1080, 75803), (1092, 74970), (1105, 74088), (1170, 69972), (1176, 69615), (1190, 68796), (1224, 66885), (1260, 64974), (1274, 64260), (1323, 61880), (1326, 61740), (1365, 59976), (1372, 59670), (1404, 58310), (1428, 57330), (1470, 55692), (1512, 54145), (1530, 53508), (1547, 52920), (1560, 52479), (1638, 49980), (1666, 49140), (1715, 47736), (1755, 46648), (1764, 46410), (1768, 46305), (1785, 45864), (1820, 44982), (1836, 44590), (1890, 43316), (1911, 42840), (1960, 41769), (1989, 41160), (2040, 40131), (2058, 39780), (2142, 38220), (2184, 37485), (2205, 37128), (2210, 37044), (2295, 35672), (2340, 34986), (2380, 34398), (2457, 33320), (2499, 32760), (2520, 32487), (2548, 32130), (2646, 30940), (2652, 30870), (2730, 29988), (2744, 29835), (2808, 29155), (2856, 28665), (2940, 27846), (3060, 26754), (3087, 26520), (3094, 26460), (3185, 25704), (3213, 25480), (3276, 24990), (3315, 24696), (3332, 24570), (3430, 23868), (3510, 23324), (3528, 23205), (3570, 22932), (3640, 22491), (3672, 22295), (3780, 21658), (3822, 21420), (3978, 20580), (4095, 19992), (4116, 19890), (4165, 19656), (4284, 19110), (4410, 18564), (4420, 18522), (4459, 18360), (4590, 17836), (4641, 17640), (4680, 17493), (4760, 17199), (4914, 16660), (4998, 16380), (5096, 16065), (5145, 15912), (5292, 15470), (5304, 15435), (5355, 15288), (5460, 14994), (5733, 14280), (5831, 14040), (5880, 13923), (5967, 13720), (6120, 13377), (6174, 13260), (6188, 13230), (6370, 12852), (6426, 12740), (6552, 12495), (6615, 12376), (6630, 12348), (6664, 12285), (6860, 11934), (7020, 11662), (7140, 11466), (7497, 10920), (7560, 10829), (7644, 10710), (7735, 10584), (7956, 10290), (8190, 9996), (8232, 9945), (8330, 9828), (8568, 9555), (8820, 9282), (8840, 9261), (8918, 9180)]