31851120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{18959}}^1$

素因数の和:18982

約数の個数: 80

約数和(自身を含む): 112849920

約数和(自身を除く): 80998800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 18959, 37918, 56877, 75836, 94795, 113754, 132713, 151672, 189590, 227508, 265426, 284385, 303344, 379180, 398139, 455016, 530852, 568770, 663565, 758360, 796278, 910032, 1061704, 1137540, 1327130, 1516720, 1592556, 1990695, 2123408, 2275080, 2654260, 3185112, 3981390, 4550160, 5308520, 6370224, 7962780, 10617040, 15925560, 31851120]

約数ペア:

[(1, 31851120), (2, 15925560), (3, 10617040), (4, 7962780), (5, 6370224), (6, 5308520), (7, 4550160), (8, 3981390), (10, 3185112), (12, 2654260), (14, 2275080), (15, 2123408), (16, 1990695), (20, 1592556), (21, 1516720), (24, 1327130), (28, 1137540), (30, 1061704), (35, 910032), (40, 796278), (42, 758360), (48, 663565), (56, 568770), (60, 530852), (70, 455016), (80, 398139), (84, 379180), (105, 303344), (112, 284385), (120, 265426), (140, 227508), (168, 189590), (210, 151672), (240, 132713), (280, 113754), (336, 94795), (420, 75836), (560, 56877), (840, 37918), (1680, 18959)]