71789680

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:434

約数の個数: 80

約数和(自身を含む): 173810304

約数和(自身を除く): 102020624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 61, 80, 94, 122, 188, 235, 244, 305, 313, 376, 470, 488, 610, 626, 752, 940, 976, 1220, 1252, 1565, 1880, 2440, 2504, 2867, 3130, 3760, 4880, 5008, 5734, 6260, 11468, 12520, 14335, 14711, 19093, 22936, 25040, 28670, 29422, 38186, 45872, 57340, 58844, 73555, 76372, 95465, 114680, 117688, 147110, 152744, 190930, 229360, 235376, 294220, 305488, 381860, 588440, 763720, 897371, 1176880, 1527440, 1794742, 3589484, 4486855, 7178968, 8973710, 14357936, 17947420, 35894840, 71789680]

約数ペア:

[(1, 71789680), (2, 35894840), (4, 17947420), (5, 14357936), (8, 8973710), (10, 7178968), (16, 4486855), (20, 3589484), (40, 1794742), (47, 1527440), (61, 1176880), (80, 897371), (94, 763720), (122, 588440), (188, 381860), (235, 305488), (244, 294220), (305, 235376), (313, 229360), (376, 190930), (470, 152744), (488, 147110), (610, 117688), (626, 114680), (752, 95465), (940, 76372), (976, 73555), (1220, 58844), (1252, 57340), (1565, 45872), (1880, 38186), (2440, 29422), (2504, 28670), (2867, 25040), (3130, 22936), (3760, 19093), (4880, 14711), (5008, 14335), (5734, 12520), (6260, 11468)]