15501780

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{1367}}^1$

素因数の和:1395

約数の個数: 120

約数和(自身を含む): 55617408

約数和(自身を除く): 40115628

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1367, 1620, 1890, 2268, 2734, 2835, 3780, 4101, 5468, 5670, 6835, 8202, 9569, 11340, 12303, 13670, 16404, 19138, 20505, 24606, 27340, 28707, 36909, 38276, 41010, 47845, 49212, 57414, 61515, 73818, 82020, 86121, 95690, 110727, 114828, 123030, 143535, 147636, 172242, 184545, 191380, 221454, 246060, 258363, 287070, 344484, 369090, 430605, 442908, 516726, 553635, 574140, 738180, 775089, 861210, 1033452, 1107270, 1291815, 1550178, 1722420, 2214540, 2583630, 3100356, 3875445, 5167260, 7750890, 15501780]

約数ペア:

[(1, 15501780), (2, 7750890), (3, 5167260), (4, 3875445), (5, 3100356), (6, 2583630), (7, 2214540), (9, 1722420), (10, 1550178), (12, 1291815), (14, 1107270), (15, 1033452), (18, 861210), (20, 775089), (21, 738180), (27, 574140), (28, 553635), (30, 516726), (35, 442908), (36, 430605), (42, 369090), (45, 344484), (54, 287070), (60, 258363), (63, 246060), (70, 221454), (81, 191380), (84, 184545), (90, 172242), (105, 147636), (108, 143535), (126, 123030), (135, 114828), (140, 110727), (162, 95690), (180, 86121), (189, 82020), (210, 73818), (252, 61515), (270, 57414), (315, 49212), (324, 47845), (378, 41010), (405, 38276), (420, 36909), (540, 28707), (567, 27340), (630, 24606), (756, 20505), (810, 19138), (945, 16404), (1134, 13670), (1260, 12303), (1367, 11340), (1620, 9569), (1890, 8202), (2268, 6835), (2734, 5670), (2835, 5468), (3780, 4101)]