1577781010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1\times {\mathrm{991}}^1$

素因数の和:1379

約数の個数: 64

約数和(自身を含む): 3153798144

約数和(自身を除く): 1576017134

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 331, 370, 481, 662, 962, 991, 1655, 1982, 2405, 3310, 4303, 4810, 4955, 8606, 9910, 12247, 12883, 21515, 24494, 25766, 36667, 43030, 61235, 64415, 73334, 122470, 128830, 159211, 183335, 318422, 328021, 366670, 476671, 656042, 796055, 953342, 1592110, 1640105, 2383355, 3280210, 4264273, 4766710, 8528546, 12136777, 21321365, 24273554, 42642730, 60683885, 121367770, 157778101, 315556202, 788890505, 1577781010]

約数ペア:

[(1, 1577781010), (2, 788890505), (5, 315556202), (10, 157778101), (13, 121367770), (26, 60683885), (37, 42642730), (65, 24273554), (74, 21321365), (130, 12136777), (185, 8528546), (331, 4766710), (370, 4264273), (481, 3280210), (662, 2383355), (962, 1640105), (991, 1592110), (1655, 953342), (1982, 796055), (2405, 656042), (3310, 476671), (4303, 366670), (4810, 328021), (4955, 318422), (8606, 183335), (9910, 159211), (12247, 128830), (12883, 122470), (21515, 73334), (24494, 64415), (25766, 61235), (36667, 43030)]