1556605260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{20939}}^1$

素因数の和:21020

約数の個数: 144

約数和(自身を含む): 5487955200

約数和(自身を除く): 3931349940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 59, 60, 63, 70, 84, 90, 105, 118, 126, 140, 177, 180, 210, 236, 252, 295, 315, 354, 413, 420, 531, 590, 630, 708, 826, 885, 1062, 1180, 1239, 1260, 1652, 1770, 2065, 2124, 2478, 2655, 3540, 3717, 4130, 4956, 5310, 6195, 7434, 8260, 10620, 12390, 14868, 18585, 20939, 24780, 37170, 41878, 62817, 74340, 83756, 104695, 125634, 146573, 188451, 209390, 251268, 293146, 314085, 376902, 418780, 439719, 586292, 628170, 732865, 753804, 879438, 942255, 1235401, 1256340, 1319157, 1465730, 1758876, 1884510, 2198595, 2470802, 2638314, 2931460, 3706203, 3769020, 4397190, 4941604, 5276628, 6177005, 6595785, 7412406, 8647807, 8794380, 11118609, 12354010, 13191570, 14824812, 17295614, 18531015, 22237218, 24708020, 25943421, 26383140, 34591228, 37062030, 43239035, 44474436, 51886842, 55593045, 74124060, 77830263, 86478070, 103773684, 111186090, 129717105, 155660526, 172956140, 222372180, 259434210, 311321052, 389151315, 518868420, 778302630, 1556605260]

約数ペア:

[(1, 1556605260), (2, 778302630), (3, 518868420), (4, 389151315), (5, 311321052), (6, 259434210), (7, 222372180), (9, 172956140), (10, 155660526), (12, 129717105), (14, 111186090), (15, 103773684), (18, 86478070), (20, 77830263), (21, 74124060), (28, 55593045), (30, 51886842), (35, 44474436), (36, 43239035), (42, 37062030), (45, 34591228), (59, 26383140), (60, 25943421), (63, 24708020), (70, 22237218), (84, 18531015), (90, 17295614), (105, 14824812), (118, 13191570), (126, 12354010), (140, 11118609), (177, 8794380), (180, 8647807), (210, 7412406), (236, 6595785), (252, 6177005), (295, 5276628), (315, 4941604), (354, 4397190), (413, 3769020), (420, 3706203), (531, 2931460), (590, 2638314), (630, 2470802), (708, 2198595), (826, 1884510), (885, 1758876), (1062, 1465730), (1180, 1319157), (1239, 1256340), (1260, 1235401), (1652, 942255), (1770, 879438), (2065, 753804), (2124, 732865), (2478, 628170), (2655, 586292), (3540, 439719), (3717, 418780), (4130, 376902), (4956, 314085), (5310, 293146), (6195, 251268), (7434, 209390), (8260, 188451), (10620, 146573), (12390, 125634), (14868, 104695), (18585, 83756), (20939, 74340), (24780, 62817), (37170, 41878)]