81122760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{225341}}^1$

素因数の和:225358

約数の個数: 48

約数和(自身を含む): 263650140

約数和(自身を除く): 182527380

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 225341, 450682, 676023, 901364, 1126705, 1352046, 1802728, 2028069, 2253410, 2704092, 3380115, 4056138, 4506820, 5408184, 6760230, 8112276, 9013640, 10140345, 13520460, 16224552, 20280690, 27040920, 40561380, 81122760]

約数ペア:

[(1, 81122760), (2, 40561380), (3, 27040920), (4, 20280690), (5, 16224552), (6, 13520460), (8, 10140345), (9, 9013640), (10, 8112276), (12, 6760230), (15, 5408184), (18, 4506820), (20, 4056138), (24, 3380115), (30, 2704092), (36, 2253410), (40, 2028069), (45, 1802728), (60, 1352046), (72, 1126705), (90, 901364), (120, 676023), (180, 450682), (360, 225341)]