90257120

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{587}}^1$

素因数の和:664

約数の個数: 72

約数和(自身を含む): 220708152

約数和(自身を除く): 130451032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 587, 620, 961, 992, 1174, 1240, 1922, 2348, 2480, 2935, 3844, 4696, 4805, 4960, 5870, 7688, 9392, 9610, 11740, 15376, 18197, 18784, 19220, 23480, 30752, 36394, 38440, 46960, 72788, 76880, 90985, 93920, 145576, 153760, 181970, 291152, 363940, 564107, 582304, 727880, 1128214, 1455760, 2256428, 2820535, 2911520, 4512856, 5641070, 9025712, 11282140, 18051424, 22564280, 45128560, 90257120]

約数ペア:

[(1, 90257120), (2, 45128560), (4, 22564280), (5, 18051424), (8, 11282140), (10, 9025712), (16, 5641070), (20, 4512856), (31, 2911520), (32, 2820535), (40, 2256428), (62, 1455760), (80, 1128214), (124, 727880), (155, 582304), (160, 564107), (248, 363940), (310, 291152), (496, 181970), (587, 153760), (620, 145576), (961, 93920), (992, 90985), (1174, 76880), (1240, 72788), (1922, 46960), (2348, 38440), (2480, 36394), (2935, 30752), (3844, 23480), (4696, 19220), (4805, 18784), (4960, 18197), (5870, 15376), (7688, 11740), (9392, 9610)]