164070040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1283}}^1$

素因数の和:1456

約数の個数: 64

約数和(自身を含む): 388281600

約数和(自身を除く): 224211560

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 139, 184, 230, 278, 460, 556, 695, 920, 1112, 1283, 1390, 2566, 2780, 3197, 5132, 5560, 6394, 6415, 10264, 12788, 12830, 15985, 25576, 25660, 29509, 31970, 51320, 59018, 63940, 118036, 127880, 147545, 178337, 236072, 295090, 356674, 590180, 713348, 891685, 1180360, 1426696, 1783370, 3566740, 4101751, 7133480, 8203502, 16407004, 20508755, 32814008, 41017510, 82035020, 164070040]

約数ペア:

[(1, 164070040), (2, 82035020), (4, 41017510), (5, 32814008), (8, 20508755), (10, 16407004), (20, 8203502), (23, 7133480), (40, 4101751), (46, 3566740), (92, 1783370), (115, 1426696), (139, 1180360), (184, 891685), (230, 713348), (278, 590180), (460, 356674), (556, 295090), (695, 236072), (920, 178337), (1112, 147545), (1283, 127880), (1390, 118036), (2566, 63940), (2780, 59018), (3197, 51320), (5132, 31970), (5560, 29509), (6394, 25660), (6415, 25576), (10264, 15985), (12788, 12830)]