17812920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1879}}^1$

素因数の和:1972

約数の個数: 64

約数和(自身を含む): 54144000

約数和(自身を除く): 36331080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1879, 1896, 2370, 3160, 3758, 4740, 5637, 7516, 9395, 9480, 11274, 15032, 18790, 22548, 28185, 37580, 45096, 56370, 75160, 112740, 148441, 225480, 296882, 445323, 593764, 742205, 890646, 1187528, 1484410, 1781292, 2226615, 2968820, 3562584, 4453230, 5937640, 8906460, 17812920]

約数ペア:

[(1, 17812920), (2, 8906460), (3, 5937640), (4, 4453230), (5, 3562584), (6, 2968820), (8, 2226615), (10, 1781292), (12, 1484410), (15, 1187528), (20, 890646), (24, 742205), (30, 593764), (40, 445323), (60, 296882), (79, 225480), (120, 148441), (158, 112740), (237, 75160), (316, 56370), (395, 45096), (474, 37580), (632, 28185), (790, 22548), (948, 18790), (1185, 15032), (1580, 11274), (1879, 9480), (1896, 9395), (2370, 7516), (3160, 5637), (3758, 4740)]