257607480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{165133}}^1$

素因数の和:165160

約数の個数: 64

約数和(自身を含む): 832275360

約数和(自身を除く): 574667880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 165133, 330266, 495399, 660532, 825665, 990798, 1321064, 1651330, 1981596, 2146729, 2476995, 3302660, 3963192, 4293458, 4953990, 6440187, 6605320, 8586916, 9907980, 10733645, 12880374, 17173832, 19815960, 21467290, 25760748, 32200935, 42934580, 51521496, 64401870, 85869160, 128803740, 257607480]

約数ペア:

[(1, 257607480), (2, 128803740), (3, 85869160), (4, 64401870), (5, 51521496), (6, 42934580), (8, 32200935), (10, 25760748), (12, 21467290), (13, 19815960), (15, 17173832), (20, 12880374), (24, 10733645), (26, 9907980), (30, 8586916), (39, 6605320), (40, 6440187), (52, 4953990), (60, 4293458), (65, 3963192), (78, 3302660), (104, 2476995), (120, 2146729), (130, 1981596), (156, 1651330), (195, 1321064), (260, 990798), (312, 825665), (390, 660532), (520, 495399), (780, 330266), (1560, 165133)]