31707440

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:294

約数の個数: 80

約数和(自身を含む): 77673600

約数和(自身を除く): 45966160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 79, 80, 116, 145, 158, 173, 232, 290, 316, 346, 395, 464, 580, 632, 692, 790, 865, 1160, 1264, 1384, 1580, 1730, 2291, 2320, 2768, 3160, 3460, 4582, 5017, 6320, 6920, 9164, 10034, 11455, 13667, 13840, 18328, 20068, 22910, 25085, 27334, 36656, 40136, 45820, 50170, 54668, 68335, 80272, 91640, 100340, 109336, 136670, 183280, 200680, 218672, 273340, 396343, 401360, 546680, 792686, 1093360, 1585372, 1981715, 3170744, 3963430, 6341488, 7926860, 15853720, 31707440]

約数ペア:

[(1, 31707440), (2, 15853720), (4, 7926860), (5, 6341488), (8, 3963430), (10, 3170744), (16, 1981715), (20, 1585372), (29, 1093360), (40, 792686), (58, 546680), (79, 401360), (80, 396343), (116, 273340), (145, 218672), (158, 200680), (173, 183280), (232, 136670), (290, 109336), (316, 100340), (346, 91640), (395, 80272), (464, 68335), (580, 54668), (632, 50170), (692, 45820), (790, 40136), (865, 36656), (1160, 27334), (1264, 25085), (1384, 22910), (1580, 20068), (1730, 18328), (2291, 13840), (2320, 13667), (2768, 11455), (3160, 10034), (3460, 9164), (4582, 6920), (5017, 6320)]