1330672420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{123439}}^1$

素因数の和:123473

約数の個数: 72

約数和(自身を含む): 3546184320

約数和(自身を除く): 2215511900

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 123439, 246878, 493756, 617195, 864073, 1234390, 1357829, 1728146, 2468780, 2715658, 3456292, 4320365, 5431316, 6048511, 6789145, 8640730, 9504803, 12097022, 13578290, 17281460, 19009606, 24194044, 27156580, 30242555, 38019212, 47524015, 60485110, 66533621, 95048030, 120970220, 133067242, 190096060, 266134484, 332668105, 665336210, 1330672420]

約数ペア:

[(1, 1330672420), (2, 665336210), (4, 332668105), (5, 266134484), (7, 190096060), (10, 133067242), (11, 120970220), (14, 95048030), (20, 66533621), (22, 60485110), (28, 47524015), (35, 38019212), (44, 30242555), (49, 27156580), (55, 24194044), (70, 19009606), (77, 17281460), (98, 13578290), (110, 12097022), (140, 9504803), (154, 8640730), (196, 6789145), (220, 6048511), (245, 5431316), (308, 4320365), (385, 3456292), (490, 2715658), (539, 2468780), (770, 1728146), (980, 1357829), (1078, 1234390), (1540, 864073), (2156, 617195), (2695, 493756), (5390, 246878), (10780, 123439)]