12971680

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:302

約数の個数: 96

約数和(自身を含む): 34292160

約数和(自身を除く): 21320480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 160, 170, 190, 251, 272, 304, 323, 340, 380, 502, 544, 608, 646, 680, 760, 1004, 1255, 1292, 1360, 1520, 1615, 2008, 2510, 2584, 2720, 3040, 3230, 4016, 4267, 4769, 5020, 5168, 6460, 8032, 8534, 9538, 10040, 10336, 12920, 17068, 19076, 20080, 21335, 23845, 25840, 34136, 38152, 40160, 42670, 47690, 51680, 68272, 76304, 81073, 85340, 95380, 136544, 152608, 162146, 170680, 190760, 324292, 341360, 381520, 405365, 648584, 682720, 763040, 810730, 1297168, 1621460, 2594336, 3242920, 6485840, 12971680]

約数ペア:

[(1, 12971680), (2, 6485840), (4, 3242920), (5, 2594336), (8, 1621460), (10, 1297168), (16, 810730), (17, 763040), (19, 682720), (20, 648584), (32, 405365), (34, 381520), (38, 341360), (40, 324292), (68, 190760), (76, 170680), (80, 162146), (85, 152608), (95, 136544), (136, 95380), (152, 85340), (160, 81073), (170, 76304), (190, 68272), (251, 51680), (272, 47690), (304, 42670), (323, 40160), (340, 38152), (380, 34136), (502, 25840), (544, 23845), (608, 21335), (646, 20080), (680, 19076), (760, 17068), (1004, 12920), (1255, 10336), (1292, 10040), (1360, 9538), (1520, 8534), (1615, 8032), (2008, 6460), (2510, 5168), (2584, 5020), (2720, 4769), (3040, 4267), (3230, 4016)]