128539760

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{241}}^1$

素因数の和:426

約数の個数: 80

約数和(自身を含む): 307882080

約数和(自身を除く): 179342320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 113, 118, 226, 236, 241, 295, 452, 472, 482, 565, 590, 904, 944, 964, 1130, 1180, 1205, 1808, 1928, 2260, 2360, 2410, 3856, 4520, 4720, 4820, 6667, 9040, 9640, 13334, 14219, 19280, 26668, 27233, 28438, 33335, 53336, 54466, 56876, 66670, 71095, 106672, 108932, 113752, 133340, 136165, 142190, 217864, 227504, 266680, 272330, 284380, 435728, 533360, 544660, 568760, 1089320, 1137520, 1606747, 2178640, 3213494, 6426988, 8033735, 12853976, 16067470, 25707952, 32134940, 64269880, 128539760]

約数ペア:

[(1, 128539760), (2, 64269880), (4, 32134940), (5, 25707952), (8, 16067470), (10, 12853976), (16, 8033735), (20, 6426988), (40, 3213494), (59, 2178640), (80, 1606747), (113, 1137520), (118, 1089320), (226, 568760), (236, 544660), (241, 533360), (295, 435728), (452, 284380), (472, 272330), (482, 266680), (565, 227504), (590, 217864), (904, 142190), (944, 136165), (964, 133340), (1130, 113752), (1180, 108932), (1205, 106672), (1808, 71095), (1928, 66670), (2260, 56876), (2360, 54466), (2410, 53336), (3856, 33335), (4520, 28438), (4720, 27233), (4820, 26668), (6667, 19280), (9040, 14219), (9640, 13334)]