257565720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{433}}^1\times {\mathrm{4957}}^1$

素因数の和:5404

約数の個数: 64

約数和(自身を含む): 774637920

約数和(自身を除く): 517072200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 433, 866, 1299, 1732, 2165, 2598, 3464, 4330, 4957, 5196, 6495, 8660, 9914, 10392, 12990, 14871, 17320, 19828, 24785, 25980, 29742, 39656, 49570, 51960, 59484, 74355, 99140, 118968, 148710, 198280, 297420, 594840, 2146381, 4292762, 6439143, 8585524, 10731905, 12878286, 17171048, 21463810, 25756572, 32195715, 42927620, 51513144, 64391430, 85855240, 128782860, 257565720]

約数ペア:

[(1, 257565720), (2, 128782860), (3, 85855240), (4, 64391430), (5, 51513144), (6, 42927620), (8, 32195715), (10, 25756572), (12, 21463810), (15, 17171048), (20, 12878286), (24, 10731905), (30, 8585524), (40, 6439143), (60, 4292762), (120, 2146381), (433, 594840), (866, 297420), (1299, 198280), (1732, 148710), (2165, 118968), (2598, 99140), (3464, 74355), (4330, 59484), (4957, 51960), (5196, 49570), (6495, 39656), (8660, 29742), (9914, 25980), (10392, 24785), (12990, 19828), (14871, 17320)]