28262520

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:108

約数の個数: 320

約数和(自身を含む): 113430240

約数和(自身を除く): 85167720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 18, 20, 22, 24, 26, 27, 30, 33, 36, 39, 40, 44, 45, 52, 54, 55, 60, 61, 65, 66, 72, 78, 81, 88, 90, 99, 104, 108, 110, 117, 120, 122, 130, 132, 135, 143, 156, 162, 165, 180, 183, 195, 198, 216, 220, 234, 244, 260, 264, 270, 286, 297, 305, 312, 324, 330, 351, 360, 366, 390, 396, 405, 429, 440, 468, 488, 495, 520, 540, 549, 572, 585, 594, 610, 648, 660, 671, 702, 715, 732, 780, 792, 793, 810, 858, 891, 915, 936, 990, 1053, 1080, 1098, 1144, 1170, 1188, 1220, 1287, 1320, 1342, 1404, 1430, 1464, 1485, 1560, 1586, 1620, 1647, 1716, 1755, 1782, 1830, 1980, 2013, 2106, 2145, 2196, 2340, 2376, 2379, 2440, 2574, 2684, 2745, 2808, 2860, 2970, 3172, 3240, 3294, 3355, 3432, 3510, 3564, 3660, 3861, 3960, 3965, 4026, 4212, 4290, 4392, 4455, 4680, 4758, 4941, 5148, 5265, 5368, 5490, 5720, 5940, 6039, 6344, 6435, 6588, 6710, 7020, 7128, 7137, 7320, 7722, 7930, 8052, 8235, 8424, 8580, 8723, 8910, 9516, 9882, 10065, 10296, 10530, 10980, 11583, 11880, 11895, 12078, 12870, 13176, 13420, 14040, 14274, 15444, 15860, 16104, 16470, 17160, 17446, 17820, 18117, 19032, 19305, 19764, 20130, 21060, 21411, 21960, 23166, 23790, 24156, 24705, 25740, 26169, 26840, 28548, 30195, 30888, 31720, 32940, 34892, 35640, 35685, 36234, 38610, 39528, 40260, 42120, 42822, 43615, 46332, 47580, 48312, 49410, 51480, 52338, 54351, 57096, 57915, 60390, 64233, 65880, 69784, 71370, 72468, 77220, 78507, 80520, 85644, 87230, 90585, 92664, 95160, 98820, 104676, 107055, 108702, 115830, 120780, 128466, 130845, 142740, 144936, 154440, 157014, 171288, 174460, 181170, 197640, 209352, 214110, 217404, 231660, 235521, 241560, 256932, 261690, 271755, 285480, 314028, 321165, 348920, 362340, 392535, 428220, 434808, 463320, 471042, 513864, 523380, 543510, 628056, 642330, 706563, 724680, 785070, 856440, 942084, 1046760, 1087020, 1177605, 1284660, 1413126, 1570140, 1884168, 2174040, 2355210, 2569320, 2826252, 3140280, 3532815, 4710420, 5652504, 7065630, 9420840, 14131260, 28262520]

約数ペア:

[(1, 28262520), (2, 14131260), (3, 9420840), (4, 7065630), (5, 5652504), (6, 4710420), (8, 3532815), (9, 3140280), (10, 2826252), (11, 2569320), (12, 2355210), (13, 2174040), (15, 1884168), (18, 1570140), (20, 1413126), (22, 1284660), (24, 1177605), (26, 1087020), (27, 1046760), (30, 942084), (33, 856440), (36, 785070), (39, 724680), (40, 706563), (44, 642330), (45, 628056), (52, 543510), (54, 523380), (55, 513864), (60, 471042), (61, 463320), (65, 434808), (66, 428220), (72, 392535), (78, 362340), (81, 348920), (88, 321165), (90, 314028), (99, 285480), (104, 271755), (108, 261690), (110, 256932), (117, 241560), (120, 235521), (122, 231660), (130, 217404), (132, 214110), (135, 209352), (143, 197640), (156, 181170), (162, 174460), (165, 171288), (180, 157014), (183, 154440), (195, 144936), (198, 142740), (216, 130845), (220, 128466), (234, 120780), (244, 115830), (260, 108702), (264, 107055), (270, 104676), (286, 98820), (297, 95160), (305, 92664), (312, 90585), (324, 87230), (330, 85644), (351, 80520), (360, 78507), (366, 77220), (390, 72468), (396, 71370), (405, 69784), (429, 65880), (440, 64233), (468, 60390), (488, 57915), (495, 57096), (520, 54351), (540, 52338), (549, 51480), (572, 49410), (585, 48312), (594, 47580), (610, 46332), (648, 43615), (660, 42822), (671, 42120), (702, 40260), (715, 39528), (732, 38610), (780, 36234), (792, 35685), (793, 35640), (810, 34892), (858, 32940), (891, 31720), (915, 30888), (936, 30195), (990, 28548), (1053, 26840), (1080, 26169), (1098, 25740), (1144, 24705), (1170, 24156), (1188, 23790), (1220, 23166), (1287, 21960), (1320, 21411), (1342, 21060), (1404, 20130), (1430, 19764), (1464, 19305), (1485, 19032), (1560, 18117), (1586, 17820), (1620, 17446), (1647, 17160), (1716, 16470), (1755, 16104), (1782, 15860), (1830, 15444), (1980, 14274), (2013, 14040), (2106, 13420), (2145, 13176), (2196, 12870), (2340, 12078), (2376, 11895), (2379, 11880), (2440, 11583), (2574, 10980), (2684, 10530), (2745, 10296), (2808, 10065), (2860, 9882), (2970, 9516), (3172, 8910), (3240, 8723), (3294, 8580), (3355, 8424), (3432, 8235), (3510, 8052), (3564, 7930), (3660, 7722), (3861, 7320), (3960, 7137), (3965, 7128), (4026, 7020), (4212, 6710), (4290, 6588), (4392, 6435), (4455, 6344), (4680, 6039), (4758, 5940), (4941, 5720), (5148, 5490), (5265, 5368)]