15963720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{881}}^1$

素因数の和:1046

約数の個数: 64

約数和(自身を含む): 48263040

約数和(自身を除く): 32299320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 151, 302, 453, 604, 755, 881, 906, 1208, 1510, 1762, 1812, 2265, 2643, 3020, 3524, 3624, 4405, 4530, 5286, 6040, 7048, 8810, 9060, 10572, 13215, 17620, 18120, 21144, 26430, 35240, 52860, 105720, 133031, 266062, 399093, 532124, 665155, 798186, 1064248, 1330310, 1596372, 1995465, 2660620, 3192744, 3990930, 5321240, 7981860, 15963720]

約数ペア:

[(1, 15963720), (2, 7981860), (3, 5321240), (4, 3990930), (5, 3192744), (6, 2660620), (8, 1995465), (10, 1596372), (12, 1330310), (15, 1064248), (20, 798186), (24, 665155), (30, 532124), (40, 399093), (60, 266062), (120, 133031), (151, 105720), (302, 52860), (453, 35240), (604, 26430), (755, 21144), (881, 18120), (906, 17620), (1208, 13215), (1510, 10572), (1762, 9060), (1812, 8810), (2265, 7048), (2643, 6040), (3020, 5286), (3524, 4530), (3624, 4405)]