81479700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{90533}}^1$

素因数の和:90553

約数の個数: 54

約数和(自身を含む): 255396414

約数和(自身を除く): 173916714

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 90533, 181066, 271599, 362132, 452665, 543198, 814797, 905330, 1086396, 1357995, 1629594, 1810660, 2263325, 2715990, 3259188, 4073985, 4526650, 5431980, 6789975, 8147970, 9053300, 13579950, 16295940, 20369925, 27159900, 40739850, 81479700]

約数ペア:

[(1, 81479700), (2, 40739850), (3, 27159900), (4, 20369925), (5, 16295940), (6, 13579950), (9, 9053300), (10, 8147970), (12, 6789975), (15, 5431980), (18, 4526650), (20, 4073985), (25, 3259188), (30, 2715990), (36, 2263325), (45, 1810660), (50, 1629594), (60, 1357995), (75, 1086396), (90, 905330), (100, 814797), (150, 543198), (180, 452665), (225, 362132), (300, 271599), (450, 181066), (900, 90533)]