31944120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20477}}^1$

素因数の和:20504

約数の個数: 64

約数和(自身を含む): 103209120

約数和(自身を除く): 71265000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 20477, 40954, 61431, 81908, 102385, 122862, 163816, 204770, 245724, 266201, 307155, 409540, 491448, 532402, 614310, 798603, 819080, 1064804, 1228620, 1331005, 1597206, 2129608, 2457240, 2662010, 3194412, 3993015, 5324020, 6388824, 7986030, 10648040, 15972060, 31944120]

約数ペア:

[(1, 31944120), (2, 15972060), (3, 10648040), (4, 7986030), (5, 6388824), (6, 5324020), (8, 3993015), (10, 3194412), (12, 2662010), (13, 2457240), (15, 2129608), (20, 1597206), (24, 1331005), (26, 1228620), (30, 1064804), (39, 819080), (40, 798603), (52, 614310), (60, 532402), (65, 491448), (78, 409540), (104, 307155), (120, 266201), (130, 245724), (156, 204770), (195, 163816), (260, 122862), (312, 102385), (390, 81908), (520, 61431), (780, 40954), (1560, 20477)]