78581520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109141}}^1$

素因数の和:109160

約数の個数: 60

約数和(自身を含む): 263905356

約数和(自身を除く): 185323836

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 109141, 218282, 327423, 436564, 545705, 654846, 873128, 982269, 1091410, 1309692, 1637115, 1746256, 1964538, 2182820, 2619384, 3274230, 3929076, 4365640, 4911345, 5238768, 6548460, 7858152, 8731280, 9822690, 13096920, 15716304, 19645380, 26193840, 39290760, 78581520]

約数ペア:

[(1, 78581520), (2, 39290760), (3, 26193840), (4, 19645380), (5, 15716304), (6, 13096920), (8, 9822690), (9, 8731280), (10, 7858152), (12, 6548460), (15, 5238768), (16, 4911345), (18, 4365640), (20, 3929076), (24, 3274230), (30, 2619384), (36, 2182820), (40, 1964538), (45, 1746256), (48, 1637115), (60, 1309692), (72, 1091410), (80, 982269), (90, 873128), (120, 654846), (144, 545705), (180, 436564), (240, 327423), (360, 218282), (720, 109141)]