75988520

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 175392000

約数和(自身を除く): 99403480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 139, 158, 173, 278, 316, 346, 395, 556, 632, 692, 695, 790, 865, 1112, 1384, 1390, 1580, 1730, 2780, 3160, 3460, 5560, 6920, 10981, 13667, 21962, 24047, 27334, 43924, 48094, 54668, 54905, 68335, 87848, 96188, 109336, 109810, 120235, 136670, 192376, 219620, 240470, 273340, 439240, 480940, 546680, 961880, 1899713, 3799426, 7598852, 9498565, 15197704, 18997130, 37994260, 75988520]

約数ペア:

[(1, 75988520), (2, 37994260), (4, 18997130), (5, 15197704), (8, 9498565), (10, 7598852), (20, 3799426), (40, 1899713), (79, 961880), (139, 546680), (158, 480940), (173, 439240), (278, 273340), (316, 240470), (346, 219620), (395, 192376), (556, 136670), (632, 120235), (692, 109810), (695, 109336), (790, 96188), (865, 87848), (1112, 68335), (1384, 54905), (1390, 54668), (1580, 48094), (1730, 43924), (2780, 27334), (3160, 24047), (3460, 21962), (5560, 13667), (6920, 10981)]