90845120

素因数分解:

$2^6\times 5^1\times {\mathrm{313}}^1\times {\mathrm{907}}^1$

素因数の和:1237

約数の個数: 56

約数和(自身を含む): 217255344

約数和(自身を除く): 126410224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 313, 320, 626, 907, 1252, 1565, 1814, 2504, 3130, 3628, 4535, 5008, 6260, 7256, 9070, 10016, 12520, 14512, 18140, 20032, 25040, 29024, 36280, 50080, 58048, 72560, 100160, 145120, 283891, 290240, 567782, 1135564, 1419455, 2271128, 2838910, 4542256, 5677820, 9084512, 11355640, 18169024, 22711280, 45422560, 90845120]

約数ペア:

[(1, 90845120), (2, 45422560), (4, 22711280), (5, 18169024), (8, 11355640), (10, 9084512), (16, 5677820), (20, 4542256), (32, 2838910), (40, 2271128), (64, 1419455), (80, 1135564), (160, 567782), (313, 290240), (320, 283891), (626, 145120), (907, 100160), (1252, 72560), (1565, 58048), (1814, 50080), (2504, 36280), (3130, 29024), (3628, 25040), (4535, 20032), (5008, 18140), (6260, 14512), (7256, 12520), (9070, 10016)]