215475990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{907}}^1\times {\mathrm{7919}}^1$

素因数の和:8836

約数の個数: 32

約数和(自身を含む): 517777920

約数和(自身を除く): 302301930

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 907, 1814, 2721, 4535, 5442, 7919, 9070, 13605, 15838, 23757, 27210, 39595, 47514, 79190, 118785, 237570, 7182533, 14365066, 21547599, 35912665, 43095198, 71825330, 107737995, 215475990]

約数ペア:

[(1, 215475990), (2, 107737995), (3, 71825330), (5, 43095198), (6, 35912665), (10, 21547599), (15, 14365066), (30, 7182533), (907, 237570), (1814, 118785), (2721, 79190), (4535, 47514), (5442, 39595), (7919, 27210), (9070, 23757), (13605, 15838)]