1566981520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{115901}}^1$

素因数の和:115940

約数の個数: 60

約数和(自身を含む): 3945072276

約数和(自身を除く): 2378090756

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6760, 13520, 115901, 231802, 463604, 579505, 927208, 1159010, 1506713, 1854416, 2318020, 3013426, 4636040, 6026852, 7533565, 9272080, 12053704, 15067130, 19587269, 24107408, 30134260, 39174538, 60268520, 78349076, 97936345, 120537040, 156698152, 195872690, 313396304, 391745380, 783490760, 1566981520]

約数ペア:

[(1, 1566981520), (2, 783490760), (4, 391745380), (5, 313396304), (8, 195872690), (10, 156698152), (13, 120537040), (16, 97936345), (20, 78349076), (26, 60268520), (40, 39174538), (52, 30134260), (65, 24107408), (80, 19587269), (104, 15067130), (130, 12053704), (169, 9272080), (208, 7533565), (260, 6026852), (338, 4636040), (520, 3013426), (676, 2318020), (845, 1854416), (1040, 1506713), (1352, 1159010), (1690, 927208), (2704, 579505), (3380, 463604), (6760, 231802), (13520, 115901)]