155804720

素因数分解:

$2^4\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{1889}}^1$

素因数の和:2933

約数の個数: 40

約数和(自身を含む): 362789280

約数和(自身を除く): 206984560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1031, 1889, 2062, 3778, 4124, 5155, 7556, 8248, 9445, 10310, 15112, 16496, 18890, 20620, 30224, 37780, 41240, 75560, 82480, 151120, 1947559, 3895118, 7790236, 9737795, 15580472, 19475590, 31160944, 38951180, 77902360, 155804720]

約数ペア:

[(1, 155804720), (2, 77902360), (4, 38951180), (5, 31160944), (8, 19475590), (10, 15580472), (16, 9737795), (20, 7790236), (40, 3895118), (80, 1947559), (1031, 151120), (1889, 82480), (2062, 75560), (3778, 41240), (4124, 37780), (5155, 30224), (7556, 20620), (8248, 18890), (9445, 16496), (10310, 15112)]