215216880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28927}}^1$

素因数の和:28974

約数の個数: 80

約数和(自身を含む): 688717824

約数和(自身を除く): 473500944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 28927, 57854, 86781, 115708, 144635, 173562, 231416, 289270, 347124, 433905, 462832, 578540, 694248, 867810, 896737, 1157080, 1388496, 1735620, 1793474, 2314160, 2690211, 3471240, 3586948, 4483685, 5380422, 6942480, 7173896, 8967370, 10760844, 13451055, 14347792, 17934740, 21521688, 26902110, 35869480, 43043376, 53804220, 71738960, 107608440, 215216880]

約数ペア:

[(1, 215216880), (2, 107608440), (3, 71738960), (4, 53804220), (5, 43043376), (6, 35869480), (8, 26902110), (10, 21521688), (12, 17934740), (15, 14347792), (16, 13451055), (20, 10760844), (24, 8967370), (30, 7173896), (31, 6942480), (40, 5380422), (48, 4483685), (60, 3586948), (62, 3471240), (80, 2690211), (93, 2314160), (120, 1793474), (124, 1735620), (155, 1388496), (186, 1157080), (240, 896737), (248, 867810), (310, 694248), (372, 578540), (465, 462832), (496, 433905), (620, 347124), (744, 289270), (930, 231416), (1240, 173562), (1488, 144635), (1860, 115708), (2480, 86781), (3720, 57854), (7440, 28927)]