668558280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{428563}}^1$

素因数の和:428590

約数の個数: 64

約数和(自身を含む): 2159962560

約数和(自身を除く): 1491404280

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, 428563, 857126, 1285689, 1714252, 2142815, 2571378, 3428504, 4285630, 5142756, 5571319, 6428445, 8571260, 10285512, 11142638, 12856890, 16713957, 17142520, 22285276, 25713780, 27856595, 33427914, 44570552, 51427560, 55713190, 66855828, 83569785, 111426380, 133711656, 167139570, 222852760, 334279140, 668558280]

約数ペア:

[(1, 668558280), (2, 334279140), (3, 222852760), (4, 167139570), (5, 133711656), (6, 111426380), (8, 83569785), (10, 66855828), (12, 55713190), (13, 51427560), (15, 44570552), (20, 33427914), (24, 27856595), (26, 25713780), (30, 22285276), (39, 17142520), (40, 16713957), (52, 12856890), (60, 11142638), (65, 10285512), (78, 8571260), (104, 6428445), (120, 5571319), (130, 5142756), (156, 4285630), (195, 3428504), (260, 2571378), (312, 2142815), (390, 1714252), (520, 1285689), (780, 857126), (1560, 428563)]