861538617680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1381}}^1\times {\mathrm{599857}}^1$

素因数の和:601264

約数の個数: 80

約数和(自身を含む): 2158725780624

約数和(自身を除く): 1297187162944

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1381, 2762, 5524, 6905, 11048, 13810, 17953, 22096, 27620, 35906, 55240, 71812, 89765, 110480, 143624, 179530, 287248, 359060, 599857, 718120, 1199714, 1436240, 2399428, 2999285, 4798856, 5998570, 7798141, 9597712, 11997140, 15596282, 23994280, 31192564, 38990705, 47988560, 62385128, 77981410, 124770256, 155962820, 311925640, 623851280, 828402517, 1656805034, 3313610068, 4142012585, 6627220136, 8284025170, 10769232721, 13254440272, 16568050340, 21538465442, 33136100680, 43076930884, 53846163605, 66272201360, 86153861768, 107692327210, 172307723536, 215384654420, 430769308840, 861538617680]

約数ペア:

[(1, 861538617680), (2, 430769308840), (4, 215384654420), (5, 172307723536), (8, 107692327210), (10, 86153861768), (13, 66272201360), (16, 53846163605), (20, 43076930884), (26, 33136100680), (40, 21538465442), (52, 16568050340), (65, 13254440272), (80, 10769232721), (104, 8284025170), (130, 6627220136), (208, 4142012585), (260, 3313610068), (520, 1656805034), (1040, 828402517), (1381, 623851280), (2762, 311925640), (5524, 155962820), (6905, 124770256), (11048, 77981410), (13810, 62385128), (17953, 47988560), (22096, 38990705), (27620, 31192564), (35906, 23994280), (55240, 15596282), (71812, 11997140), (89765, 9597712), (110480, 7798141), (143624, 5998570), (179530, 4798856), (287248, 2999285), (359060, 2399428), (599857, 1436240), (718120, 1199714)]