240657720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{4019}}^1$

素因数の和:4532

約数の個数: 64

約数和(自身を含む): 723600000

約数和(自身を除く): 482942280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 499, 998, 1497, 1996, 2495, 2994, 3992, 4019, 4990, 5988, 7485, 8038, 9980, 11976, 12057, 14970, 16076, 19960, 20095, 24114, 29940, 32152, 40190, 48228, 59880, 60285, 80380, 96456, 120570, 160760, 241140, 482280, 2005481, 4010962, 6016443, 8021924, 10027405, 12032886, 16043848, 20054810, 24065772, 30082215, 40109620, 48131544, 60164430, 80219240, 120328860, 240657720]

約数ペア:

[(1, 240657720), (2, 120328860), (3, 80219240), (4, 60164430), (5, 48131544), (6, 40109620), (8, 30082215), (10, 24065772), (12, 20054810), (15, 16043848), (20, 12032886), (24, 10027405), (30, 8021924), (40, 6016443), (60, 4010962), (120, 2005481), (499, 482280), (998, 241140), (1497, 160760), (1996, 120570), (2495, 96456), (2994, 80380), (3992, 60285), (4019, 59880), (4990, 48228), (5988, 40190), (7485, 32152), (8038, 29940), (9980, 24114), (11976, 20095), (12057, 19960), (14970, 16076)]