64424840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{293}}^1$

素因数の和:566

約数の個数: 64

約数和(自身を含む): 152409600

約数和(自身を除く): 87984760

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 239, 293, 460, 478, 586, 920, 956, 1172, 1195, 1465, 1912, 2344, 2390, 2930, 4780, 5497, 5860, 6739, 9560, 10994, 11720, 13478, 21988, 26956, 27485, 33695, 43976, 53912, 54970, 67390, 70027, 109940, 134780, 140054, 219880, 269560, 280108, 350135, 560216, 700270, 1400540, 1610621, 2801080, 3221242, 6442484, 8053105, 12884968, 16106210, 32212420, 64424840]

約数ペア:

[(1, 64424840), (2, 32212420), (4, 16106210), (5, 12884968), (8, 8053105), (10, 6442484), (20, 3221242), (23, 2801080), (40, 1610621), (46, 1400540), (92, 700270), (115, 560216), (184, 350135), (230, 280108), (239, 269560), (293, 219880), (460, 140054), (478, 134780), (586, 109940), (920, 70027), (956, 67390), (1172, 54970), (1195, 53912), (1465, 43976), (1912, 33695), (2344, 27485), (2390, 26956), (2930, 21988), (4780, 13478), (5497, 11720), (5860, 10994), (6739, 9560)]