91361920

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:250

約数の個数: 128

約数和(自身を含む): 239904000

約数和(自身を除く): 148542080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 79, 80, 104, 128, 130, 139, 158, 160, 208, 260, 278, 316, 320, 395, 416, 520, 556, 632, 640, 695, 790, 832, 1027, 1040, 1112, 1264, 1390, 1580, 1664, 1807, 2054, 2080, 2224, 2528, 2780, 3160, 3614, 4108, 4160, 4448, 5056, 5135, 5560, 6320, 7228, 8216, 8320, 8896, 9035, 10112, 10270, 10981, 11120, 12640, 14456, 16432, 17792, 18070, 20540, 21962, 22240, 25280, 28912, 32864, 36140, 41080, 43924, 44480, 50560, 54905, 57824, 65728, 72280, 82160, 87848, 88960, 109810, 115648, 131456, 142753, 144560, 164320, 175696, 219620, 231296, 285506, 289120, 328640, 351392, 439240, 571012, 578240, 657280, 702784, 713765, 878480, 1142024, 1156480, 1405568, 1427530, 1756960, 2284048, 2855060, 3513920, 4568096, 5710120, 7027840, 9136192, 11420240, 18272384, 22840480, 45680960, 91361920]

約数ペア:

[(1, 91361920), (2, 45680960), (4, 22840480), (5, 18272384), (8, 11420240), (10, 9136192), (13, 7027840), (16, 5710120), (20, 4568096), (26, 3513920), (32, 2855060), (40, 2284048), (52, 1756960), (64, 1427530), (65, 1405568), (79, 1156480), (80, 1142024), (104, 878480), (128, 713765), (130, 702784), (139, 657280), (158, 578240), (160, 571012), (208, 439240), (260, 351392), (278, 328640), (316, 289120), (320, 285506), (395, 231296), (416, 219620), (520, 175696), (556, 164320), (632, 144560), (640, 142753), (695, 131456), (790, 115648), (832, 109810), (1027, 88960), (1040, 87848), (1112, 82160), (1264, 72280), (1390, 65728), (1580, 57824), (1664, 54905), (1807, 50560), (2054, 44480), (2080, 43924), (2224, 41080), (2528, 36140), (2780, 32864), (3160, 28912), (3614, 25280), (4108, 22240), (4160, 21962), (4448, 20540), (5056, 18070), (5135, 17792), (5560, 16432), (6320, 14456), (7228, 12640), (8216, 11120), (8320, 10981), (8896, 10270), (9035, 10112)]