861632460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^2$

素因数の和:245

約数の個数: 216

約数和(自身を含む): 2899063440

約数和(自身を除く): 2037430980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 59, 60, 65, 78, 79, 90, 117, 118, 130, 156, 158, 177, 180, 195, 234, 236, 237, 260, 295, 316, 354, 390, 395, 468, 474, 531, 585, 590, 708, 711, 767, 780, 790, 885, 948, 1027, 1062, 1170, 1180, 1185, 1422, 1534, 1580, 1770, 2054, 2124, 2301, 2340, 2370, 2655, 2844, 3068, 3081, 3540, 3555, 3835, 4108, 4602, 4661, 4740, 5135, 5310, 6162, 6241, 6903, 7110, 7670, 9204, 9243, 9322, 10270, 10620, 11505, 12324, 12482, 13806, 13983, 14220, 15340, 15405, 18486, 18644, 18723, 20540, 23010, 23305, 24964, 27612, 27966, 30810, 31205, 34515, 36972, 37446, 41949, 46020, 46215, 46610, 55932, 56169, 60593, 61620, 62410, 69030, 69915, 74892, 81133, 83898, 92430, 93220, 93615, 112338, 121186, 124820, 138060, 139830, 162266, 167796, 181779, 184860, 187230, 209745, 224676, 242372, 243399, 279660, 280845, 302965, 324532, 363558, 368219, 374460, 405665, 419490, 486798, 545337, 561690, 605930, 727116, 730197, 736438, 811330, 838980, 908895, 973596, 1090674, 1104657, 1123380, 1211860, 1216995, 1460394, 1472876, 1622660, 1817790, 1841095, 2181348, 2209314, 2433990, 2726685, 2920788, 3313971, 3635580, 3650985, 3682190, 4418628, 4786847, 4867980, 5453370, 5523285, 6627942, 7301970, 7364380, 9573694, 10906740, 11046570, 13255884, 14360541, 14603940, 16569855, 19147388, 22093140, 23934235, 28721082, 33139710, 43081623, 47868470, 57442164, 66279420, 71802705, 86163246, 95736940, 143605410, 172326492, 215408115, 287210820, 430816230, 861632460]

約数ペア:

[(1, 861632460), (2, 430816230), (3, 287210820), (4, 215408115), (5, 172326492), (6, 143605410), (9, 95736940), (10, 86163246), (12, 71802705), (13, 66279420), (15, 57442164), (18, 47868470), (20, 43081623), (26, 33139710), (30, 28721082), (36, 23934235), (39, 22093140), (45, 19147388), (52, 16569855), (59, 14603940), (60, 14360541), (65, 13255884), (78, 11046570), (79, 10906740), (90, 9573694), (117, 7364380), (118, 7301970), (130, 6627942), (156, 5523285), (158, 5453370), (177, 4867980), (180, 4786847), (195, 4418628), (234, 3682190), (236, 3650985), (237, 3635580), (260, 3313971), (295, 2920788), (316, 2726685), (354, 2433990), (390, 2209314), (395, 2181348), (468, 1841095), (474, 1817790), (531, 1622660), (585, 1472876), (590, 1460394), (708, 1216995), (711, 1211860), (767, 1123380), (780, 1104657), (790, 1090674), (885, 973596), (948, 908895), (1027, 838980), (1062, 811330), (1170, 736438), (1180, 730197), (1185, 727116), (1422, 605930), (1534, 561690), (1580, 545337), (1770, 486798), (2054, 419490), (2124, 405665), (2301, 374460), (2340, 368219), (2370, 363558), (2655, 324532), (2844, 302965), (3068, 280845), (3081, 279660), (3540, 243399), (3555, 242372), (3835, 224676), (4108, 209745), (4602, 187230), (4661, 184860), (4740, 181779), (5135, 167796), (5310, 162266), (6162, 139830), (6241, 138060), (6903, 124820), (7110, 121186), (7670, 112338), (9204, 93615), (9243, 93220), (9322, 92430), (10270, 83898), (10620, 81133), (11505, 74892), (12324, 69915), (12482, 69030), (13806, 62410), (13983, 61620), (14220, 60593), (15340, 56169), (15405, 55932), (18486, 46610), (18644, 46215), (18723, 46020), (20540, 41949), (23010, 37446), (23305, 36972), (24964, 34515), (27612, 31205), (27966, 30810)]