280621920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{18859}}^1$

素因数の和:18908

約数の個数: 96

約数和(自身を含む): 912522240

約数和(自身を除く): 631900320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 310, 372, 465, 480, 496, 620, 744, 930, 992, 1240, 1488, 1860, 2480, 2976, 3720, 4960, 7440, 14880, 18859, 37718, 56577, 75436, 94295, 113154, 150872, 188590, 226308, 282885, 301744, 377180, 452616, 565770, 584629, 603488, 754360, 905232, 1131540, 1169258, 1508720, 1753887, 1810464, 2263080, 2338516, 2923145, 3017440, 3507774, 4526160, 4677032, 5846290, 7015548, 8769435, 9052320, 9354064, 11692580, 14031096, 17538870, 18708128, 23385160, 28062192, 35077740, 46770320, 56124384, 70155480, 93540640, 140310960, 280621920]

約数ペア:

[(1, 280621920), (2, 140310960), (3, 93540640), (4, 70155480), (5, 56124384), (6, 46770320), (8, 35077740), (10, 28062192), (12, 23385160), (15, 18708128), (16, 17538870), (20, 14031096), (24, 11692580), (30, 9354064), (31, 9052320), (32, 8769435), (40, 7015548), (48, 5846290), (60, 4677032), (62, 4526160), (80, 3507774), (93, 3017440), (96, 2923145), (120, 2338516), (124, 2263080), (155, 1810464), (160, 1753887), (186, 1508720), (240, 1169258), (248, 1131540), (310, 905232), (372, 754360), (465, 603488), (480, 584629), (496, 565770), (620, 452616), (744, 377180), (930, 301744), (992, 282885), (1240, 226308), (1488, 188590), (1860, 150872), (2480, 113154), (2976, 94295), (3720, 75436), (4960, 56577), (7440, 37718), (14880, 18859)]