12471920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:198

約数の個数: 80

約数和(自身を含む): 30855168

約数和(自身を除く): 18383248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 47, 62, 80, 94, 107, 124, 155, 188, 214, 235, 248, 310, 376, 428, 470, 496, 535, 620, 752, 856, 940, 1070, 1240, 1457, 1712, 1880, 2140, 2480, 2914, 3317, 3760, 4280, 5029, 5828, 6634, 7285, 8560, 10058, 11656, 13268, 14570, 16585, 20116, 23312, 25145, 26536, 29140, 33170, 40232, 50290, 53072, 58280, 66340, 80464, 100580, 116560, 132680, 155899, 201160, 265360, 311798, 402320, 623596, 779495, 1247192, 1558990, 2494384, 3117980, 6235960, 12471920]

約数ペア:

[(1, 12471920), (2, 6235960), (4, 3117980), (5, 2494384), (8, 1558990), (10, 1247192), (16, 779495), (20, 623596), (31, 402320), (40, 311798), (47, 265360), (62, 201160), (80, 155899), (94, 132680), (107, 116560), (124, 100580), (155, 80464), (188, 66340), (214, 58280), (235, 53072), (248, 50290), (310, 40232), (376, 33170), (428, 29140), (470, 26536), (496, 25145), (535, 23312), (620, 20116), (752, 16585), (856, 14570), (940, 13268), (1070, 11656), (1240, 10058), (1457, 8560), (1712, 7285), (1880, 6634), (2140, 5828), (2480, 5029), (2914, 4280), (3317, 3760)]