28919640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{240997}}^1$

素因数の和:241011

約数の個数: 32

約数和(自身を含む): 86759280

約数和(自身を除く): 57839640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 240997, 481994, 722991, 963988, 1204985, 1445982, 1927976, 2409970, 2891964, 3614955, 4819940, 5783928, 7229910, 9639880, 14459820, 28919640]

約数ペア:

[(1, 28919640), (2, 14459820), (3, 9639880), (4, 7229910), (5, 5783928), (6, 4819940), (8, 3614955), (10, 2891964), (12, 2409970), (15, 1927976), (20, 1445982), (24, 1204985), (30, 963988), (40, 722991), (60, 481994), (120, 240997)]