1264440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 3900960

約数和(自身を除く): 2636520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 257, 328, 410, 492, 514, 615, 771, 820, 984, 1028, 1230, 1285, 1542, 1640, 2056, 2460, 2570, 3084, 3855, 4920, 5140, 6168, 7710, 10280, 10537, 15420, 21074, 30840, 31611, 42148, 52685, 63222, 84296, 105370, 126444, 158055, 210740, 252888, 316110, 421480, 632220, 1264440]

約数ペア:

[(1, 1264440), (2, 632220), (3, 421480), (4, 316110), (5, 252888), (6, 210740), (8, 158055), (10, 126444), (12, 105370), (15, 84296), (20, 63222), (24, 52685), (30, 42148), (40, 31611), (41, 30840), (60, 21074), (82, 15420), (120, 10537), (123, 10280), (164, 7710), (205, 6168), (246, 5140), (257, 4920), (328, 3855), (410, 3084), (492, 2570), (514, 2460), (615, 2056), (771, 1640), (820, 1542), (984, 1285), (1028, 1230)]