4815720

素因数分解:

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

素因数の和:54

約数の個数: 256

約数和(自身を含む): 20160000

約数和(自身を除く): 15344280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 49, 52, 54, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 98, 104, 105, 108, 117, 120, 126, 130, 135, 140, 147, 156, 168, 180, 182, 189, 195, 196, 210, 216, 234, 245, 252, 260, 270, 273, 280, 294, 312, 315, 343, 351, 360, 364, 378, 390, 392, 420, 441, 455, 468, 490, 504, 520, 540, 546, 585, 588, 630, 637, 686, 702, 728, 735, 756, 780, 819, 840, 882, 910, 936, 945, 980, 1029, 1080, 1092, 1170, 1176, 1260, 1274, 1323, 1365, 1372, 1404, 1470, 1512, 1560, 1638, 1715, 1755, 1764, 1820, 1890, 1911, 1960, 2058, 2184, 2205, 2340, 2457, 2520, 2548, 2646, 2730, 2744, 2808, 2940, 3087, 3185, 3276, 3430, 3510, 3528, 3640, 3780, 3822, 4095, 4116, 4410, 4459, 4680, 4914, 5096, 5145, 5292, 5460, 5733, 5880, 6174, 6370, 6552, 6615, 6860, 7020, 7560, 7644, 8190, 8232, 8820, 8918, 9261, 9555, 9828, 10290, 10584, 10920, 11466, 12285, 12348, 12740, 13230, 13377, 13720, 14040, 15288, 15435, 16380, 17199, 17640, 17836, 18522, 19110, 19656, 20580, 22295, 22932, 24570, 24696, 25480, 26460, 26754, 28665, 30870, 32760, 34398, 35672, 37044, 38220, 40131, 41160, 44590, 45864, 46305, 49140, 52920, 53508, 57330, 61740, 66885, 68796, 74088, 76440, 80262, 85995, 89180, 92610, 98280, 107016, 114660, 120393, 123480, 133770, 137592, 160524, 171990, 178360, 185220, 200655, 229320, 240786, 267540, 321048, 343980, 370440, 401310, 481572, 535080, 601965, 687960, 802620, 963144, 1203930, 1605240, 2407860, 4815720]

約数ペア:

[(1, 4815720), (2, 2407860), (3, 1605240), (4, 1203930), (5, 963144), (6, 802620), (7, 687960), (8, 601965), (9, 535080), (10, 481572), (12, 401310), (13, 370440), (14, 343980), (15, 321048), (18, 267540), (20, 240786), (21, 229320), (24, 200655), (26, 185220), (27, 178360), (28, 171990), (30, 160524), (35, 137592), (36, 133770), (39, 123480), (40, 120393), (42, 114660), (45, 107016), (49, 98280), (52, 92610), (54, 89180), (56, 85995), (60, 80262), (63, 76440), (65, 74088), (70, 68796), (72, 66885), (78, 61740), (84, 57330), (90, 53508), (91, 52920), (98, 49140), (104, 46305), (105, 45864), (108, 44590), (117, 41160), (120, 40131), (126, 38220), (130, 37044), (135, 35672), (140, 34398), (147, 32760), (156, 30870), (168, 28665), (180, 26754), (182, 26460), (189, 25480), (195, 24696), (196, 24570), (210, 22932), (216, 22295), (234, 20580), (245, 19656), (252, 19110), (260, 18522), (270, 17836), (273, 17640), (280, 17199), (294, 16380), (312, 15435), (315, 15288), (343, 14040), (351, 13720), (360, 13377), (364, 13230), (378, 12740), (390, 12348), (392, 12285), (420, 11466), (441, 10920), (455, 10584), (468, 10290), (490, 9828), (504, 9555), (520, 9261), (540, 8918), (546, 8820), (585, 8232), (588, 8190), (630, 7644), (637, 7560), (686, 7020), (702, 6860), (728, 6615), (735, 6552), (756, 6370), (780, 6174), (819, 5880), (840, 5733), (882, 5460), (910, 5292), (936, 5145), (945, 5096), (980, 4914), (1029, 4680), (1080, 4459), (1092, 4410), (1170, 4116), (1176, 4095), (1260, 3822), (1274, 3780), (1323, 3640), (1365, 3528), (1372, 3510), (1404, 3430), (1470, 3276), (1512, 3185), (1560, 3087), (1638, 2940), (1715, 2808), (1755, 2744), (1764, 2730), (1820, 2646), (1890, 2548), (1911, 2520), (1960, 2457), (2058, 2340), (2184, 2205)]