987701520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{316571}}^1$

素因数の和:316600

約数の個数: 80

約数和(自身を含む): 3297413952

約数和(自身を除く): 2309712432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 316571, 633142, 949713, 1266284, 1582855, 1899426, 2532568, 3165710, 3798852, 4115423, 4748565, 5065136, 6331420, 7597704, 8230846, 9497130, 12346269, 12662840, 15195408, 16461692, 18994260, 20577115, 24692538, 25325680, 32923384, 37988520, 41154230, 49385076, 61731345, 65846768, 75977040, 82308460, 98770152, 123462690, 164616920, 197540304, 246925380, 329233840, 493850760, 987701520]

約数ペア:

[(1, 987701520), (2, 493850760), (3, 329233840), (4, 246925380), (5, 197540304), (6, 164616920), (8, 123462690), (10, 98770152), (12, 82308460), (13, 75977040), (15, 65846768), (16, 61731345), (20, 49385076), (24, 41154230), (26, 37988520), (30, 32923384), (39, 25325680), (40, 24692538), (48, 20577115), (52, 18994260), (60, 16461692), (65, 15195408), (78, 12662840), (80, 12346269), (104, 9497130), (120, 8230846), (130, 7597704), (156, 6331420), (195, 5065136), (208, 4748565), (240, 4115423), (260, 3798852), (312, 3165710), (390, 2532568), (520, 1899426), (624, 1582855), (780, 1266284), (1040, 949713), (1560, 633142), (3120, 316571)]