1609120

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:217

約数の個数: 48

約数和(自身を含む): 3878280

約数和(自身を除く): 2269160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 113, 160, 178, 226, 356, 445, 452, 565, 712, 890, 904, 1130, 1424, 1780, 1808, 2260, 2848, 3560, 3616, 4520, 7120, 9040, 10057, 14240, 18080, 20114, 40228, 50285, 80456, 100570, 160912, 201140, 321824, 402280, 804560, 1609120]

約数ペア:

[(1, 1609120), (2, 804560), (4, 402280), (5, 321824), (8, 201140), (10, 160912), (16, 100570), (20, 80456), (32, 50285), (40, 40228), (80, 20114), (89, 18080), (113, 14240), (160, 10057), (178, 9040), (226, 7120), (356, 4520), (445, 3616), (452, 3560), (565, 2848), (712, 2260), (890, 1808), (904, 1780), (1130, 1424)]