81587910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{40591}}^1$

素因数の和:40668

約数の個数: 32

約数和(自身を含む): 198738432

約数和(自身を除く): 117150522

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 40591, 81182, 121773, 202955, 243546, 405910, 608865, 1217730, 2719597, 5439194, 8158791, 13597985, 16317582, 27195970, 40793955, 81587910]

約数ペア:

[(1, 81587910), (2, 40793955), (3, 27195970), (5, 16317582), (6, 13597985), (10, 8158791), (15, 5439194), (30, 2719597), (67, 1217730), (134, 608865), (201, 405910), (335, 243546), (402, 202955), (670, 121773), (1005, 81182), (2010, 40591)]