81323880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61609}}^1$

素因数の和:61634

約数の個数: 64

約数和(自身を含む): 266155200

約数和(自身を除く): 184831320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 61609, 123218, 184827, 246436, 308045, 369654, 492872, 616090, 677699, 739308, 924135, 1232180, 1355398, 1478616, 1848270, 2033097, 2464360, 2710796, 3388495, 3696540, 4066194, 5421592, 6776990, 7393080, 8132388, 10165485, 13553980, 16264776, 20330970, 27107960, 40661940, 81323880]

約数ペア:

[(1, 81323880), (2, 40661940), (3, 27107960), (4, 20330970), (5, 16264776), (6, 13553980), (8, 10165485), (10, 8132388), (11, 7393080), (12, 6776990), (15, 5421592), (20, 4066194), (22, 3696540), (24, 3388495), (30, 2710796), (33, 2464360), (40, 2033097), (44, 1848270), (55, 1478616), (60, 1355398), (66, 1232180), (88, 924135), (110, 739308), (120, 677699), (132, 616090), (165, 492872), (220, 369654), (264, 308045), (330, 246436), (440, 184827), (660, 123218), (1320, 61609)]