1284405720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{823337}}^1$

素因数の和:823364

約数の個数: 64

約数和(自身を含む): 4149623520

約数和(自身を除く): 2865217800

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, 823337, 1646674, 2470011, 3293348, 4116685, 4940022, 6586696, 8233370, 9880044, 10703381, 12350055, 16466740, 19760088, 21406762, 24700110, 32110143, 32933480, 42813524, 49400220, 53516905, 64220286, 85627048, 98800440, 107033810, 128440572, 160550715, 214067620, 256881144, 321101430, 428135240, 642202860, 1284405720]

約数ペア:

[(1, 1284405720), (2, 642202860), (3, 428135240), (4, 321101430), (5, 256881144), (6, 214067620), (8, 160550715), (10, 128440572), (12, 107033810), (13, 98800440), (15, 85627048), (20, 64220286), (24, 53516905), (26, 49400220), (30, 42813524), (39, 32933480), (40, 32110143), (52, 24700110), (60, 21406762), (65, 19760088), (78, 16466740), (104, 12350055), (120, 10703381), (130, 9880044), (156, 8233370), (195, 6586696), (260, 4940022), (312, 4116685), (390, 3293348), (520, 2470011), (780, 1646674), (1560, 823337)]