128518680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{22787}}^1$

素因数の和:22848

約数の個数: 64

約数和(自身を含む): 393776640

約数和(自身を除く): 265257960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 5640, 22787, 45574, 68361, 91148, 113935, 136722, 182296, 227870, 273444, 341805, 455740, 546888, 683610, 911480, 1070989, 1367220, 2141978, 2734440, 3212967, 4283956, 5354945, 6425934, 8567912, 10709890, 12851868, 16064835, 21419780, 25703736, 32129670, 42839560, 64259340, 128518680]

約数ペア:

[(1, 128518680), (2, 64259340), (3, 42839560), (4, 32129670), (5, 25703736), (6, 21419780), (8, 16064835), (10, 12851868), (12, 10709890), (15, 8567912), (20, 6425934), (24, 5354945), (30, 4283956), (40, 3212967), (47, 2734440), (60, 2141978), (94, 1367220), (120, 1070989), (141, 911480), (188, 683610), (235, 546888), (282, 455740), (376, 341805), (470, 273444), (564, 227870), (705, 182296), (940, 136722), (1128, 113935), (1410, 91148), (1880, 68361), (2820, 45574), (5640, 22787)]