1663575680

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2531}}^1$

素因数の和:2642

約数の個数: 128

約数和(自身を含む): 4338835200

約数和(自身を除く): 2675259520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 79, 80, 104, 128, 130, 158, 160, 208, 260, 316, 320, 395, 416, 520, 632, 640, 790, 832, 1027, 1040, 1264, 1580, 1664, 2054, 2080, 2528, 2531, 3160, 4108, 4160, 5056, 5062, 5135, 6320, 8216, 8320, 10112, 10124, 10270, 12640, 12655, 16432, 20248, 20540, 25280, 25310, 32864, 32903, 40496, 41080, 50560, 50620, 65728, 65806, 80992, 82160, 101240, 131456, 131612, 161984, 164320, 164515, 199949, 202480, 263224, 323968, 328640, 329030, 399898, 404960, 526448, 657280, 658060, 799796, 809920, 999745, 1052896, 1316120, 1599592, 1619840, 1999490, 2105792, 2599337, 2632240, 3199184, 3998980, 4211584, 5198674, 5264480, 6398368, 7997960, 10397348, 10528960, 12796736, 12996685, 15995920, 20794696, 21057920, 25593472, 25993370, 31991840, 41589392, 51986740, 63983680, 83178784, 103973480, 127967360, 166357568, 207946960, 332715136, 415893920, 831787840, 1663575680]

約数ペア:

[(1, 1663575680), (2, 831787840), (4, 415893920), (5, 332715136), (8, 207946960), (10, 166357568), (13, 127967360), (16, 103973480), (20, 83178784), (26, 63983680), (32, 51986740), (40, 41589392), (52, 31991840), (64, 25993370), (65, 25593472), (79, 21057920), (80, 20794696), (104, 15995920), (128, 12996685), (130, 12796736), (158, 10528960), (160, 10397348), (208, 7997960), (260, 6398368), (316, 5264480), (320, 5198674), (395, 4211584), (416, 3998980), (520, 3199184), (632, 2632240), (640, 2599337), (790, 2105792), (832, 1999490), (1027, 1619840), (1040, 1599592), (1264, 1316120), (1580, 1052896), (1664, 999745), (2054, 809920), (2080, 799796), (2528, 658060), (2531, 657280), (3160, 526448), (4108, 404960), (4160, 399898), (5056, 329030), (5062, 328640), (5135, 323968), (6320, 263224), (8216, 202480), (8320, 199949), (10112, 164515), (10124, 164320), (10270, 161984), (12640, 131612), (12655, 131456), (16432, 101240), (20248, 82160), (20540, 80992), (25280, 65806), (25310, 65728), (32864, 50620), (32903, 50560), (40496, 41080)]