990200280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{37003}}^1$

素因数の和:37240

約数の個数: 64

約数和(自身を含む): 2984002560

約数和(自身を除く): 1993802280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 223, 446, 669, 892, 1115, 1338, 1784, 2230, 2676, 3345, 4460, 5352, 6690, 8920, 13380, 26760, 37003, 74006, 111009, 148012, 185015, 222018, 296024, 370030, 444036, 555045, 740060, 888072, 1110090, 1480120, 2220180, 4440360, 8251669, 16503338, 24755007, 33006676, 41258345, 49510014, 66013352, 82516690, 99020028, 123775035, 165033380, 198040056, 247550070, 330066760, 495100140, 990200280]

約数ペア:

[(1, 990200280), (2, 495100140), (3, 330066760), (4, 247550070), (5, 198040056), (6, 165033380), (8, 123775035), (10, 99020028), (12, 82516690), (15, 66013352), (20, 49510014), (24, 41258345), (30, 33006676), (40, 24755007), (60, 16503338), (120, 8251669), (223, 4440360), (446, 2220180), (669, 1480120), (892, 1110090), (1115, 888072), (1338, 740060), (1784, 555045), (2230, 444036), (2676, 370030), (3345, 296024), (4460, 222018), (5352, 185015), (6690, 148012), (8920, 111009), (13380, 74006), (26760, 37003)]