81649440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{56701}}^1$

素因数の和:56722

約数の個数: 72

約数和(自身を含む): 278633628

約数和(自身を除く): 196984188

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 56701, 113402, 170103, 226804, 283505, 340206, 453608, 510309, 567010, 680412, 850515, 907216, 1020618, 1134020, 1360824, 1701030, 1814432, 2041236, 2268040, 2551545, 2721648, 3402060, 4082472, 4536080, 5103090, 5443296, 6804120, 8164944, 9072160, 10206180, 13608240, 16329888, 20412360, 27216480, 40824720, 81649440]

約数ペア:

[(1, 81649440), (2, 40824720), (3, 27216480), (4, 20412360), (5, 16329888), (6, 13608240), (8, 10206180), (9, 9072160), (10, 8164944), (12, 6804120), (15, 5443296), (16, 5103090), (18, 4536080), (20, 4082472), (24, 3402060), (30, 2721648), (32, 2551545), (36, 2268040), (40, 2041236), (45, 1814432), (48, 1701030), (60, 1360824), (72, 1134020), (80, 1020618), (90, 907216), (96, 850515), (120, 680412), (144, 567010), (160, 510309), (180, 453608), (240, 340206), (288, 283505), (360, 226804), (480, 170103), (720, 113402), (1440, 56701)]