68640840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{190669}}^1$

素因数の和:190686

約数の個数: 48

約数和(自身を含む): 223083900

約数和(自身を除く): 154443060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 190669, 381338, 572007, 762676, 953345, 1144014, 1525352, 1716021, 1906690, 2288028, 2860035, 3432042, 3813380, 4576056, 5720070, 6864084, 7626760, 8580105, 11440140, 13728168, 17160210, 22880280, 34320420, 68640840]

約数ペア:

[(1, 68640840), (2, 34320420), (3, 22880280), (4, 17160210), (5, 13728168), (6, 11440140), (8, 8580105), (9, 7626760), (10, 6864084), (12, 5720070), (15, 4576056), (18, 3813380), (20, 3432042), (24, 2860035), (30, 2288028), (36, 1906690), (40, 1716021), (45, 1525352), (60, 1144014), (72, 953345), (90, 762676), (120, 572007), (180, 381338), (360, 190669)]