64445480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{983}}^1$

素因数の和:1154

約数の個数: 64

約数和(自身を含む): 159408000

約数和(自身を除く): 94962520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 149, 220, 298, 440, 596, 745, 983, 1192, 1490, 1639, 1966, 2980, 3278, 3932, 4915, 5960, 6556, 7864, 8195, 9830, 10813, 13112, 16390, 19660, 21626, 32780, 39320, 43252, 54065, 65560, 86504, 108130, 146467, 216260, 292934, 432520, 585868, 732335, 1171736, 1464670, 1611137, 2929340, 3222274, 5858680, 6444548, 8055685, 12889096, 16111370, 32222740, 64445480]

約数ペア:

[(1, 64445480), (2, 32222740), (4, 16111370), (5, 12889096), (8, 8055685), (10, 6444548), (11, 5858680), (20, 3222274), (22, 2929340), (40, 1611137), (44, 1464670), (55, 1171736), (88, 732335), (110, 585868), (149, 432520), (220, 292934), (298, 216260), (440, 146467), (596, 108130), (745, 86504), (983, 65560), (1192, 54065), (1490, 43252), (1639, 39320), (1966, 32780), (2980, 21626), (3278, 19660), (3932, 16390), (4915, 13112), (5960, 10813), (6556, 9830), (7864, 8195)]