809969680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:609

約数の個数: 120

約数和(自身を含む): 2058618240

約数和(自身を除く): 1248648560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 139, 169, 208, 260, 278, 338, 431, 520, 556, 676, 695, 845, 862, 1040, 1112, 1352, 1390, 1690, 1724, 1807, 2155, 2224, 2704, 2780, 3380, 3448, 3614, 4310, 5560, 5603, 6760, 6896, 7228, 8620, 9035, 11120, 11206, 13520, 14456, 17240, 18070, 22412, 23491, 28015, 28912, 34480, 36140, 44824, 46982, 56030, 59909, 72280, 72839, 89648, 93964, 112060, 117455, 119818, 144560, 145678, 187928, 224120, 234910, 239636, 291356, 299545, 364195, 375856, 448240, 469820, 479272, 582712, 599090, 728390, 778817, 939640, 958544, 1165424, 1198180, 1456780, 1557634, 1879280, 2396360, 2913560, 3115268, 3894085, 4792720, 5827120, 6230536, 7788170, 10124621, 12461072, 15576340, 20249242, 31152680, 40498484, 50623105, 62305360, 80996968, 101246210, 161993936, 202492420, 404984840, 809969680]

約数ペア:

[(1, 809969680), (2, 404984840), (4, 202492420), (5, 161993936), (8, 101246210), (10, 80996968), (13, 62305360), (16, 50623105), (20, 40498484), (26, 31152680), (40, 20249242), (52, 15576340), (65, 12461072), (80, 10124621), (104, 7788170), (130, 6230536), (139, 5827120), (169, 4792720), (208, 3894085), (260, 3115268), (278, 2913560), (338, 2396360), (431, 1879280), (520, 1557634), (556, 1456780), (676, 1198180), (695, 1165424), (845, 958544), (862, 939640), (1040, 778817), (1112, 728390), (1352, 599090), (1390, 582712), (1690, 479272), (1724, 469820), (1807, 448240), (2155, 375856), (2224, 364195), (2704, 299545), (2780, 291356), (3380, 239636), (3448, 234910), (3614, 224120), (4310, 187928), (5560, 145678), (5603, 144560), (6760, 119818), (6896, 117455), (7228, 112060), (8620, 93964), (9035, 89648), (11120, 72839), (11206, 72280), (13520, 59909), (14456, 56030), (17240, 46982), (18070, 44824), (22412, 36140), (23491, 34480), (28015, 28912)]