90731280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1471}}^1$

素因数の和:1744

約数の個数: 80

約数和(自身を含む): 282553344

約数和(自身を除く): 191822064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257, 514, 771, 1028, 1285, 1471, 1542, 2056, 2570, 2942, 3084, 3855, 4112, 4413, 5140, 5884, 6168, 7355, 7710, 8826, 10280, 11768, 12336, 14710, 15420, 17652, 20560, 22065, 23536, 29420, 30840, 35304, 44130, 58840, 61680, 70608, 88260, 117680, 176520, 353040, 378047, 756094, 1134141, 1512188, 1890235, 2268282, 3024376, 3780470, 4536564, 5670705, 6048752, 7560940, 9073128, 11341410, 15121880, 18146256, 22682820, 30243760, 45365640, 90731280]

約数ペア:

[(1, 90731280), (2, 45365640), (3, 30243760), (4, 22682820), (5, 18146256), (6, 15121880), (8, 11341410), (10, 9073128), (12, 7560940), (15, 6048752), (16, 5670705), (20, 4536564), (24, 3780470), (30, 3024376), (40, 2268282), (48, 1890235), (60, 1512188), (80, 1134141), (120, 756094), (240, 378047), (257, 353040), (514, 176520), (771, 117680), (1028, 88260), (1285, 70608), (1471, 61680), (1542, 58840), (2056, 44130), (2570, 35304), (2942, 30840), (3084, 29420), (3855, 23536), (4112, 22065), (4413, 20560), (5140, 17652), (5884, 15420), (6168, 14710), (7355, 12336), (7710, 11768), (8826, 10280)]