3280640

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1$

素因数の和:265

約数の個数: 72

約数和(自身を含む): 8609328

約数和(自身を除く): 5328688

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 233, 256, 320, 352, 440, 466, 640, 704, 880, 932, 1165, 1280, 1408, 1760, 1864, 2330, 2563, 2816, 3520, 3728, 4660, 5126, 7040, 7456, 9320, 10252, 12815, 14080, 14912, 18640, 20504, 25630, 29824, 37280, 41008, 51260, 59648, 74560, 82016, 102520, 149120, 164032, 205040, 298240, 328064, 410080, 656128, 820160, 1640320, 3280640]

約数ペア:

[(1, 3280640), (2, 1640320), (4, 820160), (5, 656128), (8, 410080), (10, 328064), (11, 298240), (16, 205040), (20, 164032), (22, 149120), (32, 102520), (40, 82016), (44, 74560), (55, 59648), (64, 51260), (80, 41008), (88, 37280), (110, 29824), (128, 25630), (160, 20504), (176, 18640), (220, 14912), (233, 14080), (256, 12815), (320, 10252), (352, 9320), (440, 7456), (466, 7040), (640, 5126), (704, 4660), (880, 3728), (932, 3520), (1165, 2816), (1280, 2563), (1408, 2330), (1760, 1864)]