81120720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1489}}^1$

素因数の和:1732

約数の個数: 80

約数和(自身を含む): 252751680

約数和(自身を除く): 171630960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 227, 240, 454, 681, 908, 1135, 1362, 1489, 1816, 2270, 2724, 2978, 3405, 3632, 4467, 4540, 5448, 5956, 6810, 7445, 8934, 9080, 10896, 11912, 13620, 14890, 17868, 18160, 22335, 23824, 27240, 29780, 35736, 44670, 54480, 59560, 71472, 89340, 119120, 178680, 338003, 357360, 676006, 1014009, 1352012, 1690015, 2028018, 2704024, 3380030, 4056036, 5070045, 5408048, 6760060, 8112072, 10140090, 13520120, 16224144, 20280180, 27040240, 40560360, 81120720]

約数ペア:

[(1, 81120720), (2, 40560360), (3, 27040240), (4, 20280180), (5, 16224144), (6, 13520120), (8, 10140090), (10, 8112072), (12, 6760060), (15, 5408048), (16, 5070045), (20, 4056036), (24, 3380030), (30, 2704024), (40, 2028018), (48, 1690015), (60, 1352012), (80, 1014009), (120, 676006), (227, 357360), (240, 338003), (454, 178680), (681, 119120), (908, 89340), (1135, 71472), (1362, 59560), (1489, 54480), (1816, 44670), (2270, 35736), (2724, 29780), (2978, 27240), (3405, 23824), (3632, 22335), (4467, 18160), (4540, 17868), (5448, 14890), (5956, 13620), (6810, 11912), (7445, 10896), (8934, 9080)]