258437340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{463}}^1$

素因数の和:928

約数の個数: 144

約数和(自身を含む): 899877888

約数和(自身を除く): 641440548

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 443, 463, 630, 886, 926, 1260, 1329, 1389, 1772, 1852, 2215, 2315, 2658, 2778, 3101, 3241, 3987, 4167, 4430, 4630, 5316, 5556, 6202, 6482, 6645, 6945, 7974, 8334, 8860, 9260, 9303, 9723, 12404, 12964, 13290, 13890, 15505, 15948, 16205, 16668, 18606, 19446, 19935, 20835, 26580, 27780, 27909, 29169, 31010, 32410, 37212, 38892, 39870, 41670, 46515, 48615, 55818, 58338, 62020, 64820, 79740, 83340, 93030, 97230, 111636, 116676, 139545, 145845, 186060, 194460, 205109, 279090, 291690, 410218, 558180, 583380, 615327, 820436, 1025545, 1230654, 1435763, 1845981, 2051090, 2461308, 2871526, 3076635, 3691962, 4102180, 4307289, 5743052, 6153270, 7178815, 7383924, 8614578, 9229905, 12306540, 12921867, 14357630, 17229156, 18459810, 21536445, 25843734, 28715260, 36919620, 43072890, 51687468, 64609335, 86145780, 129218670, 258437340]

約数ペア:

[(1, 258437340), (2, 129218670), (3, 86145780), (4, 64609335), (5, 51687468), (6, 43072890), (7, 36919620), (9, 28715260), (10, 25843734), (12, 21536445), (14, 18459810), (15, 17229156), (18, 14357630), (20, 12921867), (21, 12306540), (28, 9229905), (30, 8614578), (35, 7383924), (36, 7178815), (42, 6153270), (45, 5743052), (60, 4307289), (63, 4102180), (70, 3691962), (84, 3076635), (90, 2871526), (105, 2461308), (126, 2051090), (140, 1845981), (180, 1435763), (210, 1230654), (252, 1025545), (315, 820436), (420, 615327), (443, 583380), (463, 558180), (630, 410218), (886, 291690), (926, 279090), (1260, 205109), (1329, 194460), (1389, 186060), (1772, 145845), (1852, 139545), (2215, 116676), (2315, 111636), (2658, 97230), (2778, 93030), (3101, 83340), (3241, 79740), (3987, 64820), (4167, 62020), (4430, 58338), (4630, 55818), (5316, 48615), (5556, 46515), (6202, 41670), (6482, 39870), (6645, 38892), (6945, 37212), (7974, 32410), (8334, 31010), (8860, 29169), (9260, 27909), (9303, 27780), (9723, 26580), (12404, 20835), (12964, 19935), (13290, 19446), (13890, 18606), (15505, 16668), (15948, 16205)]