153216880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61781}}^1$

素因数の和:61825

約数の個数: 40

約数和(自身を含む): 367726464

約数和(自身を除く): 214509584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 61781, 123562, 247124, 308905, 494248, 617810, 988496, 1235620, 1915211, 2471240, 3830422, 4942480, 7660844, 9576055, 15321688, 19152110, 30643376, 38304220, 76608440, 153216880]

約数ペア:

[(1, 153216880), (2, 76608440), (4, 38304220), (5, 30643376), (8, 19152110), (10, 15321688), (16, 9576055), (20, 7660844), (31, 4942480), (40, 3830422), (62, 2471240), (80, 1915211), (124, 1235620), (155, 988496), (248, 617810), (310, 494248), (496, 308905), (620, 247124), (1240, 123562), (2480, 61781)]