313639120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{2239}}^1$

素因数の和:2372

約数の個数: 80

約数和(自身を含む): 779950080

約数和(自身を除く): 466310960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 103, 136, 170, 206, 272, 340, 412, 515, 680, 824, 1030, 1360, 1648, 1751, 2060, 2239, 3502, 4120, 4478, 7004, 8240, 8755, 8956, 11195, 14008, 17510, 17912, 22390, 28016, 35020, 35824, 38063, 44780, 70040, 76126, 89560, 140080, 152252, 179120, 190315, 230617, 304504, 380630, 461234, 609008, 761260, 922468, 1153085, 1522520, 1844936, 2306170, 3045040, 3689872, 3920489, 4612340, 7840978, 9224680, 15681956, 18449360, 19602445, 31363912, 39204890, 62727824, 78409780, 156819560, 313639120]

約数ペア:

[(1, 313639120), (2, 156819560), (4, 78409780), (5, 62727824), (8, 39204890), (10, 31363912), (16, 19602445), (17, 18449360), (20, 15681956), (34, 9224680), (40, 7840978), (68, 4612340), (80, 3920489), (85, 3689872), (103, 3045040), (136, 2306170), (170, 1844936), (206, 1522520), (272, 1153085), (340, 922468), (412, 761260), (515, 609008), (680, 461234), (824, 380630), (1030, 304504), (1360, 230617), (1648, 190315), (1751, 179120), (2060, 152252), (2239, 140080), (3502, 89560), (4120, 76126), (4478, 70040), (7004, 44780), (8240, 38063), (8755, 35824), (8956, 35020), (11195, 28016), (14008, 22390), (17510, 17912)]