199879440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1669}}^1$

素因数の和:2184

約数の個数: 80

約数和(自身を含む): 621240000

約数和(自身を除く): 421360560

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, 1497, 1669, 1996, 2495, 2994, 3338, 3992, 4990, 5007, 5988, 6676, 7485, 7984, 8345, 9980, 10014, 11976, 13352, 14970, 16690, 19960, 20028, 23952, 25035, 26704, 29940, 33380, 39920, 40056, 50070, 59880, 66760, 80112, 100140, 119760, 133520, 200280, 400560, 832831, 1665662, 2498493, 3331324, 4164155, 4996986, 6662648, 8328310, 9993972, 12492465, 13325296, 16656620, 19987944, 24984930, 33313240, 39975888, 49969860, 66626480, 99939720, 199879440]

約数ペア:

[(1, 199879440), (2, 99939720), (3, 66626480), (4, 49969860), (5, 39975888), (6, 33313240), (8, 24984930), (10, 19987944), (12, 16656620), (15, 13325296), (16, 12492465), (20, 9993972), (24, 8328310), (30, 6662648), (40, 4996986), (48, 4164155), (60, 3331324), (80, 2498493), (120, 1665662), (240, 832831), (499, 400560), (998, 200280), (1497, 133520), (1669, 119760), (1996, 100140), (2495, 80112), (2994, 66760), (3338, 59880), (3992, 50070), (4990, 40056), (5007, 39920), (5988, 33380), (6676, 29940), (7485, 26704), (7984, 25035), (8345, 23952), (9980, 20028), (10014, 19960), (11976, 16690), (13352, 14970)]