109215920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1571}}^1$

素因数の和:1674

約数の個数: 80

約数和(自身を含む): 280696320

約数和(自身を除く): 171480400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 79, 80, 88, 110, 158, 176, 220, 316, 395, 440, 632, 790, 869, 880, 1264, 1571, 1580, 1738, 3142, 3160, 3476, 4345, 6284, 6320, 6952, 7855, 8690, 12568, 13904, 15710, 17281, 17380, 25136, 31420, 34562, 34760, 62840, 69124, 69520, 86405, 124109, 125680, 138248, 172810, 248218, 276496, 345620, 496436, 620545, 691240, 992872, 1241090, 1365199, 1382480, 1985744, 2482180, 2730398, 4964360, 5460796, 6825995, 9928720, 10921592, 13651990, 21843184, 27303980, 54607960, 109215920]

約数ペア:

[(1, 109215920), (2, 54607960), (4, 27303980), (5, 21843184), (8, 13651990), (10, 10921592), (11, 9928720), (16, 6825995), (20, 5460796), (22, 4964360), (40, 2730398), (44, 2482180), (55, 1985744), (79, 1382480), (80, 1365199), (88, 1241090), (110, 992872), (158, 691240), (176, 620545), (220, 496436), (316, 345620), (395, 276496), (440, 248218), (632, 172810), (790, 138248), (869, 125680), (880, 124109), (1264, 86405), (1571, 69520), (1580, 69124), (1738, 62840), (3142, 34760), (3160, 34562), (3476, 31420), (4345, 25136), (6284, 17380), (6320, 17281), (6952, 15710), (7855, 13904), (8690, 12568)]