280140320

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{599}}^1$

素因数の和:730

約数の個数: 96

約数和(自身を含む): 689472000

約数和(自身を除く): 409331680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 79, 80, 148, 158, 160, 185, 296, 316, 370, 395, 592, 599, 632, 740, 790, 1184, 1198, 1264, 1480, 1580, 2396, 2528, 2923, 2960, 2995, 3160, 4792, 5846, 5920, 5990, 6320, 9584, 11692, 11980, 12640, 14615, 19168, 22163, 23384, 23960, 29230, 44326, 46768, 47321, 47920, 58460, 88652, 93536, 94642, 95840, 110815, 116920, 177304, 189284, 221630, 233840, 236605, 354608, 378568, 443260, 467680, 473210, 709216, 757136, 886520, 946420, 1514272, 1750877, 1773040, 1892840, 3501754, 3546080, 3785680, 7003508, 7571360, 8754385, 14007016, 17508770, 28014032, 35017540, 56028064, 70035080, 140070160, 280140320]

約数ペア:

[(1, 280140320), (2, 140070160), (4, 70035080), (5, 56028064), (8, 35017540), (10, 28014032), (16, 17508770), (20, 14007016), (32, 8754385), (37, 7571360), (40, 7003508), (74, 3785680), (79, 3546080), (80, 3501754), (148, 1892840), (158, 1773040), (160, 1750877), (185, 1514272), (296, 946420), (316, 886520), (370, 757136), (395, 709216), (592, 473210), (599, 467680), (632, 443260), (740, 378568), (790, 354608), (1184, 236605), (1198, 233840), (1264, 221630), (1480, 189284), (1580, 177304), (2396, 116920), (2528, 110815), (2923, 95840), (2960, 94642), (2995, 93536), (3160, 88652), (4792, 58460), (5846, 47920), (5920, 47321), (5990, 46768), (6320, 44326), (9584, 29230), (11692, 23960), (11980, 23384), (12640, 22163), (14615, 19168)]