8171240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{379}}^1$

素因数の和:415

約数の個数: 96

約数和(自身を含む): 23392800

約数和(自身を除く): 15221560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 379, 385, 392, 440, 490, 539, 616, 758, 770, 980, 1078, 1516, 1540, 1895, 1960, 2156, 2653, 2695, 3032, 3080, 3790, 4169, 4312, 5306, 5390, 7580, 8338, 10612, 10780, 13265, 15160, 16676, 18571, 20845, 21224, 21560, 26530, 29183, 33352, 37142, 41690, 53060, 58366, 74284, 83380, 92855, 106120, 116732, 145915, 148568, 166760, 185710, 204281, 233464, 291830, 371420, 408562, 583660, 742840, 817124, 1021405, 1167320, 1634248, 2042810, 4085620, 8171240]

約数ペア:

[(1, 8171240), (2, 4085620), (4, 2042810), (5, 1634248), (7, 1167320), (8, 1021405), (10, 817124), (11, 742840), (14, 583660), (20, 408562), (22, 371420), (28, 291830), (35, 233464), (40, 204281), (44, 185710), (49, 166760), (55, 148568), (56, 145915), (70, 116732), (77, 106120), (88, 92855), (98, 83380), (110, 74284), (140, 58366), (154, 53060), (196, 41690), (220, 37142), (245, 33352), (280, 29183), (308, 26530), (379, 21560), (385, 21224), (392, 20845), (440, 18571), (490, 16676), (539, 15160), (616, 13265), (758, 10780), (770, 10612), (980, 8338), (1078, 7580), (1516, 5390), (1540, 5306), (1895, 4312), (1960, 4169), (2156, 3790), (2653, 3080), (2695, 3032)]