178872120

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{70981}}^1$

素因数の和:71005

約数の個数: 96

約数和(自身を含む): 664391520

約数和(自身を除く): 485519400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 70981, 141962, 212943, 283924, 354905, 425886, 496867, 567848, 638829, 709810, 851772, 993734, 1064715, 1277658, 1419620, 1490601, 1703544, 1987468, 2129430, 2484335, 2555316, 2839240, 2981202, 3194145, 3974936, 4258860, 4471803, 4968670, 5110632, 5962404, 6388290, 7453005, 8517720, 8943606, 9937340, 11924808, 12776580, 14906010, 17887212, 19874680, 22359015, 25553160, 29812020, 35774424, 44718030, 59624040, 89436060, 178872120]

約数ペア:

[(1, 178872120), (2, 89436060), (3, 59624040), (4, 44718030), (5, 35774424), (6, 29812020), (7, 25553160), (8, 22359015), (9, 19874680), (10, 17887212), (12, 14906010), (14, 12776580), (15, 11924808), (18, 9937340), (20, 8943606), (21, 8517720), (24, 7453005), (28, 6388290), (30, 5962404), (35, 5110632), (36, 4968670), (40, 4471803), (42, 4258860), (45, 3974936), (56, 3194145), (60, 2981202), (63, 2839240), (70, 2555316), (72, 2484335), (84, 2129430), (90, 1987468), (105, 1703544), (120, 1490601), (126, 1419620), (140, 1277658), (168, 1064715), (180, 993734), (210, 851772), (252, 709810), (280, 638829), (315, 567848), (360, 496867), (420, 425886), (504, 354905), (630, 283924), (840, 212943), (1260, 141962), (2520, 70981)]