155125180

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{22613}}^1$

素因数の和:22643

約数の個数: 48

約数和(自身を含む): 379915200

約数和(自身を除く): 224790020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 22613, 45226, 90452, 113065, 158291, 226130, 316582, 452260, 633164, 791455, 1108037, 1582910, 2216074, 3165820, 4432148, 5540185, 7756259, 11080370, 15512518, 22160740, 31025036, 38781295, 77562590, 155125180]

約数ペア:

[(1, 155125180), (2, 77562590), (4, 38781295), (5, 31025036), (7, 22160740), (10, 15512518), (14, 11080370), (20, 7756259), (28, 5540185), (35, 4432148), (49, 3165820), (70, 2216074), (98, 1582910), (140, 1108037), (196, 791455), (245, 633164), (343, 452260), (490, 316582), (686, 226130), (980, 158291), (1372, 113065), (1715, 90452), (3430, 45226), (6860, 22613)]