77881920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2617}}^1$

素因数の和:2668

約数の個数: 112

約数和(自身を含む): 255349248

約数和(自身を除く): 177467328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 155, 160, 186, 192, 240, 248, 310, 320, 372, 465, 480, 496, 620, 744, 930, 960, 992, 1240, 1488, 1860, 1984, 2480, 2617, 2976, 3720, 4960, 5234, 5952, 7440, 7851, 9920, 10468, 13085, 14880, 15702, 20936, 26170, 29760, 31404, 39255, 41872, 52340, 62808, 78510, 81127, 83744, 104680, 125616, 157020, 162254, 167488, 209360, 243381, 251232, 314040, 324508, 405635, 418720, 486762, 502464, 628080, 649016, 811270, 837440, 973524, 1216905, 1256160, 1298032, 1622540, 1947048, 2433810, 2512320, 2596064, 3245080, 3894096, 4867620, 5192128, 6490160, 7788192, 9735240, 12980320, 15576384, 19470480, 25960640, 38940960, 77881920]

約数ペア:

[(1, 77881920), (2, 38940960), (3, 25960640), (4, 19470480), (5, 15576384), (6, 12980320), (8, 9735240), (10, 7788192), (12, 6490160), (15, 5192128), (16, 4867620), (20, 3894096), (24, 3245080), (30, 2596064), (31, 2512320), (32, 2433810), (40, 1947048), (48, 1622540), (60, 1298032), (62, 1256160), (64, 1216905), (80, 973524), (93, 837440), (96, 811270), (120, 649016), (124, 628080), (155, 502464), (160, 486762), (186, 418720), (192, 405635), (240, 324508), (248, 314040), (310, 251232), (320, 243381), (372, 209360), (465, 167488), (480, 162254), (496, 157020), (620, 125616), (744, 104680), (930, 83744), (960, 81127), (992, 78510), (1240, 62808), (1488, 52340), (1860, 41872), (1984, 39255), (2480, 31404), (2617, 29760), (2976, 26170), (3720, 20936), (4960, 15702), (5234, 14880), (5952, 13085), (7440, 10468), (7851, 9920)]