81095940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{450533}}^1$

素因数の和:450548

約数の個数: 36

約数和(自身を含む): 245991564

約数和(自身を除く): 164895624

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 450533, 901066, 1351599, 1802132, 2252665, 2703198, 4054797, 4505330, 5406396, 6757995, 8109594, 9010660, 13515990, 16219188, 20273985, 27031980, 40547970, 81095940]

約数ペア:

[(1, 81095940), (2, 40547970), (3, 27031980), (4, 20273985), (5, 16219188), (6, 13515990), (9, 9010660), (10, 8109594), (12, 6757995), (15, 5406396), (18, 4505330), (20, 4054797), (30, 2703198), (36, 2252665), (45, 1802132), (60, 1351599), (90, 901066), (180, 450533)]