663287680

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1327}}^1$

素因数の和:1428

約数の個数: 128

約数和(自身を含む): 1755509760

約数和(自身を除く): 1092222080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 71, 80, 88, 110, 128, 142, 160, 176, 220, 284, 320, 352, 355, 440, 568, 640, 704, 710, 781, 880, 1136, 1327, 1408, 1420, 1562, 1760, 2272, 2654, 2840, 3124, 3520, 3905, 4544, 5308, 5680, 6248, 6635, 7040, 7810, 9088, 10616, 11360, 12496, 13270, 14597, 15620, 21232, 22720, 24992, 26540, 29194, 31240, 42464, 45440, 49984, 53080, 58388, 62480, 72985, 84928, 94217, 99968, 106160, 116776, 124960, 145970, 169856, 188434, 212320, 233552, 249920, 291940, 376868, 424640, 467104, 471085, 499840, 583880, 753736, 849280, 934208, 942170, 1036387, 1167760, 1507472, 1868416, 1884340, 2072774, 2335520, 3014944, 3768680, 4145548, 4671040, 5181935, 6029888, 7537360, 8291096, 9342080, 10363870, 12059776, 15074720, 16582192, 20727740, 30149440, 33164384, 41455480, 60298880, 66328768, 82910960, 132657536, 165821920, 331643840, 663287680]

約数ペア:

[(1, 663287680), (2, 331643840), (4, 165821920), (5, 132657536), (8, 82910960), (10, 66328768), (11, 60298880), (16, 41455480), (20, 33164384), (22, 30149440), (32, 20727740), (40, 16582192), (44, 15074720), (55, 12059776), (64, 10363870), (71, 9342080), (80, 8291096), (88, 7537360), (110, 6029888), (128, 5181935), (142, 4671040), (160, 4145548), (176, 3768680), (220, 3014944), (284, 2335520), (320, 2072774), (352, 1884340), (355, 1868416), (440, 1507472), (568, 1167760), (640, 1036387), (704, 942170), (710, 934208), (781, 849280), (880, 753736), (1136, 583880), (1327, 499840), (1408, 471085), (1420, 467104), (1562, 424640), (1760, 376868), (2272, 291940), (2654, 249920), (2840, 233552), (3124, 212320), (3520, 188434), (3905, 169856), (4544, 145970), (5308, 124960), (5680, 116776), (6248, 106160), (6635, 99968), (7040, 94217), (7810, 84928), (9088, 72985), (10616, 62480), (11360, 58388), (12496, 53080), (13270, 49984), (14597, 45440), (15620, 42464), (21232, 31240), (22720, 29194), (24992, 26540)]