12090120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:447

約数の個数: 128

約数和(自身を含む): 42681600

約数和(自身を除く): 30591480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 389, 420, 444, 518, 555, 740, 777, 778, 840, 888, 1036, 1110, 1167, 1295, 1480, 1554, 1556, 1945, 2072, 2220, 2334, 2590, 2723, 3108, 3112, 3885, 3890, 4440, 4668, 5180, 5446, 5835, 6216, 7770, 7780, 8169, 9336, 10360, 10892, 11670, 13615, 14393, 15540, 15560, 16338, 21784, 23340, 27230, 28786, 31080, 32676, 40845, 43179, 46680, 54460, 57572, 65352, 71965, 81690, 86358, 100751, 108920, 115144, 143930, 163380, 172716, 201502, 215895, 287860, 302253, 326760, 345432, 403004, 431790, 503755, 575720, 604506, 806008, 863580, 1007510, 1209012, 1511265, 1727160, 2015020, 2418024, 3022530, 4030040, 6045060, 12090120]

約数ペア:

[(1, 12090120), (2, 6045060), (3, 4030040), (4, 3022530), (5, 2418024), (6, 2015020), (7, 1727160), (8, 1511265), (10, 1209012), (12, 1007510), (14, 863580), (15, 806008), (20, 604506), (21, 575720), (24, 503755), (28, 431790), (30, 403004), (35, 345432), (37, 326760), (40, 302253), (42, 287860), (56, 215895), (60, 201502), (70, 172716), (74, 163380), (84, 143930), (105, 115144), (111, 108920), (120, 100751), (140, 86358), (148, 81690), (168, 71965), (185, 65352), (210, 57572), (222, 54460), (259, 46680), (280, 43179), (296, 40845), (370, 32676), (389, 31080), (420, 28786), (444, 27230), (518, 23340), (555, 21784), (740, 16338), (777, 15560), (778, 15540), (840, 14393), (888, 13615), (1036, 11670), (1110, 10892), (1167, 10360), (1295, 9336), (1480, 8169), (1554, 7780), (1556, 7770), (1945, 6216), (2072, 5835), (2220, 5446), (2334, 5180), (2590, 4668), (2723, 4440), (3108, 3890), (3112, 3885)]