11995760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:742

約数の個数: 80

約数和(自身を含む): 32950272

約数和(自身を除く): 20954512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 691, 868, 1085, 1240, 1382, 1736, 2170, 2480, 2764, 3455, 3472, 4340, 4837, 5528, 6910, 8680, 9674, 11056, 13820, 17360, 19348, 21421, 24185, 27640, 38696, 42842, 48370, 55280, 77392, 85684, 96740, 107105, 149947, 171368, 193480, 214210, 299894, 342736, 386960, 428420, 599788, 749735, 856840, 1199576, 1499470, 1713680, 2399152, 2998940, 5997880, 11995760]

約数ペア:

[(1, 11995760), (2, 5997880), (4, 2998940), (5, 2399152), (7, 1713680), (8, 1499470), (10, 1199576), (14, 856840), (16, 749735), (20, 599788), (28, 428420), (31, 386960), (35, 342736), (40, 299894), (56, 214210), (62, 193480), (70, 171368), (80, 149947), (112, 107105), (124, 96740), (140, 85684), (155, 77392), (217, 55280), (248, 48370), (280, 42842), (310, 38696), (434, 27640), (496, 24185), (560, 21421), (620, 19348), (691, 17360), (868, 13820), (1085, 11056), (1240, 9674), (1382, 8680), (1736, 6910), (2170, 5528), (2480, 4837), (2764, 4340), (3455, 3472)]