31703520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{257}}^2$

素因数の和:532

約数の個数: 72

約数和(自身を含む): 100256184

約数和(自身を除く): 68552664

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 257, 480, 514, 771, 1028, 1285, 1542, 2056, 2570, 3084, 3855, 4112, 5140, 6168, 7710, 8224, 10280, 12336, 15420, 20560, 24672, 30840, 41120, 61680, 66049, 123360, 132098, 198147, 264196, 330245, 396294, 528392, 660490, 792588, 990735, 1056784, 1320980, 1585176, 1981470, 2113568, 2641960, 3170352, 3962940, 5283920, 6340704, 7925880, 10567840, 15851760, 31703520]

約数ペア:

[(1, 31703520), (2, 15851760), (3, 10567840), (4, 7925880), (5, 6340704), (6, 5283920), (8, 3962940), (10, 3170352), (12, 2641960), (15, 2113568), (16, 1981470), (20, 1585176), (24, 1320980), (30, 1056784), (32, 990735), (40, 792588), (48, 660490), (60, 528392), (80, 396294), (96, 330245), (120, 264196), (160, 198147), (240, 132098), (257, 123360), (480, 66049), (514, 61680), (771, 41120), (1028, 30840), (1285, 24672), (1542, 20560), (2056, 15420), (2570, 12336), (3084, 10280), (3855, 8224), (4112, 7710), (5140, 6168)]