81344880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{112979}}^1$

素因数の和:112998

約数の個数: 60

約数和(自身を含む): 273185640

約数和(自身を除く): 191840760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 112979, 225958, 338937, 451916, 564895, 677874, 903832, 1016811, 1129790, 1355748, 1694685, 1807664, 2033622, 2259580, 2711496, 3389370, 4067244, 4519160, 5084055, 5422992, 6778740, 8134488, 9038320, 10168110, 13557480, 16268976, 20336220, 27114960, 40672440, 81344880]

約数ペア:

[(1, 81344880), (2, 40672440), (3, 27114960), (4, 20336220), (5, 16268976), (6, 13557480), (8, 10168110), (9, 9038320), (10, 8134488), (12, 6778740), (15, 5422992), (16, 5084055), (18, 4519160), (20, 4067244), (24, 3389370), (30, 2711496), (36, 2259580), (40, 2033622), (45, 1807664), (48, 1694685), (60, 1355748), (72, 1129790), (80, 1016811), (90, 903832), (120, 677874), (144, 564895), (180, 451916), (240, 338937), (360, 225958), (720, 112979)]