12520760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{461}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 32598720

約数和(自身を除く): 20077960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 461, 485, 679, 776, 922, 970, 1358, 1844, 1940, 2305, 2716, 3227, 3395, 3688, 3880, 4610, 5432, 6454, 6790, 9220, 12908, 13580, 16135, 18440, 25816, 27160, 32270, 44717, 64540, 89434, 129080, 178868, 223585, 313019, 357736, 447170, 626038, 894340, 1252076, 1565095, 1788680, 2504152, 3130190, 6260380, 12520760]

約数ペア:

[(1, 12520760), (2, 6260380), (4, 3130190), (5, 2504152), (7, 1788680), (8, 1565095), (10, 1252076), (14, 894340), (20, 626038), (28, 447170), (35, 357736), (40, 313019), (56, 223585), (70, 178868), (97, 129080), (140, 89434), (194, 64540), (280, 44717), (388, 32270), (461, 27160), (485, 25816), (679, 18440), (776, 16135), (922, 13580), (970, 12908), (1358, 9220), (1844, 6790), (1940, 6454), (2305, 5432), (2716, 4610), (3227, 3880), (3395, 3688)]