215568390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{823}}^1\times {\mathrm{8731}}^1$

素因数の和:9564

約数の個数: 32

約数和(自身を含む): 518052096

約数和(自身を除く): 302483706

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 823, 1646, 2469, 4115, 4938, 8230, 8731, 12345, 17462, 24690, 26193, 43655, 52386, 87310, 130965, 261930, 7185613, 14371226, 21556839, 35928065, 43113678, 71856130, 107784195, 215568390]

約数ペア:

[(1, 215568390), (2, 107784195), (3, 71856130), (5, 43113678), (6, 35928065), (10, 21556839), (15, 14371226), (30, 7185613), (823, 261930), (1646, 130965), (2469, 87310), (4115, 52386), (4938, 43655), (8230, 26193), (8731, 24690), (12345, 17462)]