81873680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{146203}}^1$

素因数の和:146223

約数の個数: 40

約数和(自身を含む): 217551552

約数和(自身を除く): 135677872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 146203, 292406, 584812, 731015, 1023421, 1169624, 1462030, 2046842, 2339248, 2924060, 4093684, 5117105, 5848120, 8187368, 10234210, 11696240, 16374736, 20468420, 40936840, 81873680]

約数ペア:

[(1, 81873680), (2, 40936840), (4, 20468420), (5, 16374736), (7, 11696240), (8, 10234210), (10, 8187368), (14, 5848120), (16, 5117105), (20, 4093684), (28, 2924060), (35, 2339248), (40, 2046842), (56, 1462030), (70, 1169624), (80, 1023421), (112, 731015), (140, 584812), (280, 292406), (560, 146203)]