19768080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2657}}^1$

素因数の和:2704

約数の個数: 80

約数和(自身を含む): 63281664

約数和(自身を除く): 43513584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 2657, 3720, 5314, 7440, 7971, 10628, 13285, 15942, 21256, 26570, 31884, 39855, 42512, 53140, 63768, 79710, 82367, 106280, 127536, 159420, 164734, 212560, 247101, 318840, 329468, 411835, 494202, 637680, 658936, 823670, 988404, 1235505, 1317872, 1647340, 1976808, 2471010, 3294680, 3953616, 4942020, 6589360, 9884040, 19768080]

約数ペア:

[(1, 19768080), (2, 9884040), (3, 6589360), (4, 4942020), (5, 3953616), (6, 3294680), (8, 2471010), (10, 1976808), (12, 1647340), (15, 1317872), (16, 1235505), (20, 988404), (24, 823670), (30, 658936), (31, 637680), (40, 494202), (48, 411835), (60, 329468), (62, 318840), (80, 247101), (93, 212560), (120, 164734), (124, 159420), (155, 127536), (186, 106280), (240, 82367), (248, 79710), (310, 63768), (372, 53140), (465, 42512), (496, 39855), (620, 31884), (744, 26570), (930, 21256), (1240, 15942), (1488, 13285), (1860, 10628), (2480, 7971), (2657, 7440), (3720, 5314)]