31507440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2477}}^1$

素因数の和:2546

約数の個数: 80

約数和(自身を含む): 99556128

約数和(自身を除く): 68048688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 159, 212, 240, 265, 318, 424, 530, 636, 795, 848, 1060, 1272, 1590, 2120, 2477, 2544, 3180, 4240, 4954, 6360, 7431, 9908, 12385, 12720, 14862, 19816, 24770, 29724, 37155, 39632, 49540, 59448, 74310, 99080, 118896, 131281, 148620, 198160, 262562, 297240, 393843, 525124, 594480, 656405, 787686, 1050248, 1312810, 1575372, 1969215, 2100496, 2625620, 3150744, 3938430, 5251240, 6301488, 7876860, 10502480, 15753720, 31507440]

約数ペア:

[(1, 31507440), (2, 15753720), (3, 10502480), (4, 7876860), (5, 6301488), (6, 5251240), (8, 3938430), (10, 3150744), (12, 2625620), (15, 2100496), (16, 1969215), (20, 1575372), (24, 1312810), (30, 1050248), (40, 787686), (48, 656405), (53, 594480), (60, 525124), (80, 393843), (106, 297240), (120, 262562), (159, 198160), (212, 148620), (240, 131281), (265, 118896), (318, 99080), (424, 74310), (530, 59448), (636, 49540), (795, 39632), (848, 37155), (1060, 29724), (1272, 24770), (1590, 19816), (2120, 14862), (2477, 12720), (2544, 12385), (3180, 9908), (4240, 7431), (4954, 6360)]