20100150

素因数分解:

$2^1\times 3^4\times 5^2\times 7^1\times {\mathrm{709}}^1$

素因数の和:740

約数の個数: 120

約数和(自身を含む): 63917040

約数和(自身を除く): 43816890

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 50, 54, 63, 70, 75, 81, 90, 105, 126, 135, 150, 162, 175, 189, 210, 225, 270, 315, 350, 378, 405, 450, 525, 567, 630, 675, 709, 810, 945, 1050, 1134, 1350, 1418, 1575, 1890, 2025, 2127, 2835, 3150, 3545, 4050, 4254, 4725, 4963, 5670, 6381, 7090, 9450, 9926, 10635, 12762, 14175, 14889, 17725, 19143, 21270, 24815, 28350, 29778, 31905, 35450, 38286, 44667, 49630, 53175, 57429, 63810, 74445, 89334, 95715, 106350, 114858, 124075, 134001, 148890, 159525, 191430, 223335, 248150, 268002, 287145, 319050, 372225, 402003, 446670, 478575, 574290, 670005, 744450, 804006, 957150, 1116675, 1340010, 1435725, 2010015, 2233350, 2871450, 3350025, 4020030, 6700050, 10050075, 20100150]

約数ペア:

[(1, 20100150), (2, 10050075), (3, 6700050), (5, 4020030), (6, 3350025), (7, 2871450), (9, 2233350), (10, 2010015), (14, 1435725), (15, 1340010), (18, 1116675), (21, 957150), (25, 804006), (27, 744450), (30, 670005), (35, 574290), (42, 478575), (45, 446670), (50, 402003), (54, 372225), (63, 319050), (70, 287145), (75, 268002), (81, 248150), (90, 223335), (105, 191430), (126, 159525), (135, 148890), (150, 134001), (162, 124075), (175, 114858), (189, 106350), (210, 95715), (225, 89334), (270, 74445), (315, 63810), (350, 57429), (378, 53175), (405, 49630), (450, 44667), (525, 38286), (567, 35450), (630, 31905), (675, 29778), (709, 28350), (810, 24815), (945, 21270), (1050, 19143), (1134, 17725), (1350, 14889), (1418, 14175), (1575, 12762), (1890, 10635), (2025, 9926), (2127, 9450), (2835, 7090), (3150, 6381), (3545, 5670), (4050, 4963), (4254, 4725)]