8638680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{373}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 26120160

約数和(自身を除く): 17481480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 193, 373, 386, 579, 746, 772, 965, 1119, 1158, 1492, 1544, 1865, 1930, 2238, 2316, 2895, 2984, 3730, 3860, 4476, 4632, 5595, 5790, 7460, 7720, 8952, 11190, 11580, 14920, 22380, 23160, 44760, 71989, 143978, 215967, 287956, 359945, 431934, 575912, 719890, 863868, 1079835, 1439780, 1727736, 2159670, 2879560, 4319340, 8638680]

約数ペア:

[(1, 8638680), (2, 4319340), (3, 2879560), (4, 2159670), (5, 1727736), (6, 1439780), (8, 1079835), (10, 863868), (12, 719890), (15, 575912), (20, 431934), (24, 359945), (30, 287956), (40, 215967), (60, 143978), (120, 71989), (193, 44760), (373, 23160), (386, 22380), (579, 14920), (746, 11580), (772, 11190), (965, 8952), (1119, 7720), (1158, 7460), (1492, 5790), (1544, 5595), (1865, 4632), (1930, 4476), (2238, 3860), (2316, 3730), (2895, 2984)]