81078120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{225217}}^1$

素因数の和:225234

約数の個数: 48

約数和(自身を含む): 263505060

約数和(自身を除く): 182426940

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, 225217, 450434, 675651, 900868, 1126085, 1351302, 1801736, 2026953, 2252170, 2702604, 3378255, 4053906, 4504340, 5405208, 6756510, 8107812, 9008680, 10134765, 13513020, 16215624, 20269530, 27026040, 40539060, 81078120]

約数ペア:

[(1, 81078120), (2, 40539060), (3, 27026040), (4, 20269530), (5, 16215624), (6, 13513020), (8, 10134765), (9, 9008680), (10, 8107812), (12, 6756510), (15, 5405208), (18, 4504340), (20, 4053906), (24, 3378255), (30, 2702604), (36, 2252170), (40, 2026953), (45, 1801736), (60, 1351302), (72, 1126085), (90, 900868), (120, 675651), (180, 450434), (360, 225217)]