90290040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{4157}}^1$

素因数の和:4352

約数の個数: 64

約数和(自身を含む): 272432160

約数和(自身を除く): 182142120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 181, 362, 543, 724, 905, 1086, 1448, 1810, 2172, 2715, 3620, 4157, 4344, 5430, 7240, 8314, 10860, 12471, 16628, 20785, 21720, 24942, 33256, 41570, 49884, 62355, 83140, 99768, 124710, 166280, 249420, 498840, 752417, 1504834, 2257251, 3009668, 3762085, 4514502, 6019336, 7524170, 9029004, 11286255, 15048340, 18058008, 22572510, 30096680, 45145020, 90290040]

約数ペア:

[(1, 90290040), (2, 45145020), (3, 30096680), (4, 22572510), (5, 18058008), (6, 15048340), (8, 11286255), (10, 9029004), (12, 7524170), (15, 6019336), (20, 4514502), (24, 3762085), (30, 3009668), (40, 2257251), (60, 1504834), (120, 752417), (181, 498840), (362, 249420), (543, 166280), (724, 124710), (905, 99768), (1086, 83140), (1448, 62355), (1810, 49884), (2172, 41570), (2715, 33256), (3620, 24942), (4157, 21720), (4344, 20785), (5430, 16628), (7240, 12471), (8314, 10860)]