8640984

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 23950080

約数和(自身を除く): 15309096

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 71, 88, 132, 142, 213, 264, 284, 426, 461, 568, 781, 852, 922, 1383, 1562, 1704, 1844, 2343, 2766, 3124, 3688, 4686, 5071, 5532, 6248, 9372, 10142, 11064, 15213, 18744, 20284, 30426, 32731, 40568, 60852, 65462, 98193, 121704, 130924, 196386, 261848, 360041, 392772, 720082, 785544, 1080123, 1440164, 2160246, 2880328, 4320492, 8640984]

約数ペア:

[(1, 8640984), (2, 4320492), (3, 2880328), (4, 2160246), (6, 1440164), (8, 1080123), (11, 785544), (12, 720082), (22, 392772), (24, 360041), (33, 261848), (44, 196386), (66, 130924), (71, 121704), (88, 98193), (132, 65462), (142, 60852), (213, 40568), (264, 32731), (284, 30426), (426, 20284), (461, 18744), (568, 15213), (781, 11064), (852, 10142), (922, 9372), (1383, 6248), (1562, 5532), (1704, 5071), (1844, 4686), (2343, 3688), (2766, 3124)]