260321460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{619813}}^1$

素因数の和:619832

約数の個数: 48

約数和(自身を含む): 833030016

約数和(自身を除く): 572708556

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 619813, 1239626, 1859439, 2479252, 3099065, 3718878, 4338691, 6198130, 7437756, 8677382, 9297195, 12396260, 13016073, 17354764, 18594390, 21693455, 26032146, 37188780, 43386910, 52064292, 65080365, 86773820, 130160730, 260321460]

約数ペア:

[(1, 260321460), (2, 130160730), (3, 86773820), (4, 65080365), (5, 52064292), (6, 43386910), (7, 37188780), (10, 26032146), (12, 21693455), (14, 18594390), (15, 17354764), (20, 13016073), (21, 12396260), (28, 9297195), (30, 8677382), (35, 7437756), (42, 6198130), (60, 4338691), (70, 3718878), (84, 3099065), (105, 2479252), (140, 1859439), (210, 1239626), (420, 619813)]