81721080

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{32429}}^1$

素因数の和:32453

約数の個数: 96

約数和(自身を含む): 303544800

約数和(自身を除く): 221823720

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, 32429, 64858, 97287, 129716, 162145, 194574, 227003, 259432, 291861, 324290, 389148, 454006, 486435, 583722, 648580, 681009, 778296, 908012, 972870, 1135015, 1167444, 1297160, 1362018, 1459305, 1816024, 1945740, 2043027, 2270030, 2334888, 2724036, 2918610, 3405045, 3891480, 4086054, 4540060, 5448072, 5837220, 6810090, 8172108, 9080120, 10215135, 11674440, 13620180, 16344216, 20430270, 27240360, 40860540, 81721080]

約数ペア:

[(1, 81721080), (2, 40860540), (3, 27240360), (4, 20430270), (5, 16344216), (6, 13620180), (7, 11674440), (8, 10215135), (9, 9080120), (10, 8172108), (12, 6810090), (14, 5837220), (15, 5448072), (18, 4540060), (20, 4086054), (21, 3891480), (24, 3405045), (28, 2918610), (30, 2724036), (35, 2334888), (36, 2270030), (40, 2043027), (42, 1945740), (45, 1816024), (56, 1459305), (60, 1362018), (63, 1297160), (70, 1167444), (72, 1135015), (84, 972870), (90, 908012), (105, 778296), (120, 681009), (126, 648580), (140, 583722), (168, 486435), (180, 454006), (210, 389148), (252, 324290), (280, 291861), (315, 259432), (360, 227003), (420, 194574), (504, 162145), (630, 129716), (840, 97287), (1260, 64858), (2520, 32429)]