161867220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{37997}}^1$

素因数の和:38080

約数の個数: 48

約数和(自身を含む): 459623808

約数和(自身を除く): 297756588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 37997, 75994, 113991, 151988, 189985, 227982, 379970, 455964, 569955, 759940, 1139910, 2279820, 2697787, 5395574, 8093361, 10791148, 13488935, 16186722, 26977870, 32373444, 40466805, 53955740, 80933610, 161867220]

約数ペア:

[(1, 161867220), (2, 80933610), (3, 53955740), (4, 40466805), (5, 32373444), (6, 26977870), (10, 16186722), (12, 13488935), (15, 10791148), (20, 8093361), (30, 5395574), (60, 2697787), (71, 2279820), (142, 1139910), (213, 759940), (284, 569955), (355, 455964), (426, 379970), (710, 227982), (852, 189985), (1065, 151988), (1420, 113991), (2130, 75994), (4260, 37997)]