78386640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{326611}}^1$

素因数の和:326627

約数の個数: 40

約数和(自身を含む): 242999328

約数和(自身を除く): 164612688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 326611, 653222, 979833, 1306444, 1633055, 1959666, 2612888, 3266110, 3919332, 4899165, 5225776, 6532220, 7838664, 9798330, 13064440, 15677328, 19596660, 26128880, 39193320, 78386640]

約数ペア:

[(1, 78386640), (2, 39193320), (3, 26128880), (4, 19596660), (5, 15677328), (6, 13064440), (8, 9798330), (10, 7838664), (12, 6532220), (15, 5225776), (16, 4899165), (20, 3919332), (24, 3266110), (30, 2612888), (40, 1959666), (48, 1633055), (60, 1306444), (80, 979833), (120, 653222), (240, 326611)]