247779080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{463}}^1\times {\mathrm{787}}^1$

素因数の和:1278

約数の個数: 64

約数和(自身を含む): 592323840

約数和(自身を除く): 344544760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 463, 680, 787, 926, 1574, 1852, 2315, 3148, 3704, 3935, 4630, 6296, 7870, 7871, 9260, 13379, 15740, 15742, 18520, 26758, 31480, 31484, 39355, 53516, 62968, 66895, 78710, 107032, 133790, 157420, 267580, 314840, 364381, 535160, 728762, 1457524, 1821905, 2915048, 3643810, 6194477, 7287620, 12388954, 14575240, 24777908, 30972385, 49555816, 61944770, 123889540, 247779080]

約数ペア:

[(1, 247779080), (2, 123889540), (4, 61944770), (5, 49555816), (8, 30972385), (10, 24777908), (17, 14575240), (20, 12388954), (34, 7287620), (40, 6194477), (68, 3643810), (85, 2915048), (136, 1821905), (170, 1457524), (340, 728762), (463, 535160), (680, 364381), (787, 314840), (926, 267580), (1574, 157420), (1852, 133790), (2315, 107032), (3148, 78710), (3704, 66895), (3935, 62968), (4630, 53516), (6296, 39355), (7870, 31484), (7871, 31480), (9260, 26758), (13379, 18520), (15740, 15742)]