145268880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1213}}^1$

素因数の和:1728

約数の個数: 80

約数和(自身を含む): 451608000

約数和(自身を除く): 306339120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 499, 998, 1213, 1497, 1996, 2426, 2495, 2994, 3639, 3992, 4852, 4990, 5988, 6065, 7278, 7485, 7984, 9704, 9980, 11976, 12130, 14556, 14970, 18195, 19408, 19960, 23952, 24260, 29112, 29940, 36390, 39920, 48520, 58224, 59880, 72780, 97040, 119760, 145560, 291120, 605287, 1210574, 1815861, 2421148, 3026435, 3631722, 4842296, 6052870, 7263444, 9079305, 9684592, 12105740, 14526888, 18158610, 24211480, 29053776, 36317220, 48422960, 72634440, 145268880]

約数ペア:

[(1, 145268880), (2, 72634440), (3, 48422960), (4, 36317220), (5, 29053776), (6, 24211480), (8, 18158610), (10, 14526888), (12, 12105740), (15, 9684592), (16, 9079305), (20, 7263444), (24, 6052870), (30, 4842296), (40, 3631722), (48, 3026435), (60, 2421148), (80, 1815861), (120, 1210574), (240, 605287), (499, 291120), (998, 145560), (1213, 119760), (1497, 97040), (1996, 72780), (2426, 59880), (2495, 58224), (2994, 48520), (3639, 39920), (3992, 36390), (4852, 29940), (4990, 29112), (5988, 24260), (6065, 23952), (7278, 19960), (7485, 19408), (7984, 18195), (9704, 14970), (9980, 14556), (11976, 12130)]