1640840802075

素因数分解:

$3^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{1759}}^1\times {\mathrm{61879}}^1$

素因数の和:63721

約数の個数: 72

約数和(自身を含む): 2984536755200

約数和(自身を除く): 1343695953125

約数列:

[1, 3, 5, 9, 15, 25, 45, 67, 75, 201, 225, 335, 603, 1005, 1675, 1759, 3015, 5025, 5277, 8795, 15075, 15831, 26385, 43975, 61879, 79155, 117853, 131925, 185637, 309395, 353559, 395775, 556911, 589265, 928185, 1060677, 1546975, 1767795, 2784555, 2946325, 4145893, 4640925, 5303385, 8838975, 12437679, 13922775, 20729465, 26516925, 37313037, 62188395, 103647325, 108845161, 186565185, 310941975, 326535483, 544225805, 932825925, 979606449, 1632677415, 2721129025, 4898032245, 7292625787, 8163387075, 21877877361, 24490161225, 36463128935, 65633632083, 109389386805, 182315644675, 328168160415, 546946934025, 1640840802075]

約数ペア:

[(1, 1640840802075), (3, 546946934025), (5, 328168160415), (9, 182315644675), (15, 109389386805), (25, 65633632083), (45, 36463128935), (67, 24490161225), (75, 21877877361), (201, 8163387075), (225, 7292625787), (335, 4898032245), (603, 2721129025), (1005, 1632677415), (1675, 979606449), (1759, 932825925), (3015, 544225805), (5025, 326535483), (5277, 310941975), (8795, 186565185), (15075, 108845161), (15831, 103647325), (26385, 62188395), (43975, 37313037), (61879, 26516925), (79155, 20729465), (117853, 13922775), (131925, 12437679), (185637, 8838975), (309395, 5303385), (353559, 4640925), (395775, 4145893), (556911, 2946325), (589265, 2784555), (928185, 1767795), (1060677, 1546975)]