80884160

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{36109}}^1$

素因数の和:36133

約数の個数: 56

約数和(自身を含む): 220126560

約数和(自身を除く): 139242400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 36109, 72218, 144436, 180545, 252763, 288872, 361090, 505526, 577744, 722180, 1011052, 1155488, 1263815, 1444360, 2022104, 2310976, 2527630, 2888720, 4044208, 5055260, 5777440, 8088416, 10110520, 11554880, 16176832, 20221040, 40442080, 80884160]

約数ペア:

[(1, 80884160), (2, 40442080), (4, 20221040), (5, 16176832), (7, 11554880), (8, 10110520), (10, 8088416), (14, 5777440), (16, 5055260), (20, 4044208), (28, 2888720), (32, 2527630), (35, 2310976), (40, 2022104), (56, 1444360), (64, 1263815), (70, 1155488), (80, 1011052), (112, 722180), (140, 577744), (160, 505526), (224, 361090), (280, 288872), (320, 252763), (448, 180545), (560, 144436), (1120, 72218), (2240, 36109)]