61556740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2731}}^1$

素因数の和:2777

約数の個数: 72

約数和(自身を含む): 156969792

約数和(自身を除く): 95413052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 2731, 3220, 4508, 5462, 5635, 10924, 11270, 13655, 19117, 22540, 27310, 38234, 54620, 62813, 76468, 95585, 125626, 133819, 191170, 251252, 267638, 314065, 382340, 439691, 535276, 628130, 669095, 879382, 1256260, 1338190, 1758764, 2198455, 2676380, 3077837, 4396910, 6155674, 8793820, 12311348, 15389185, 30778370, 61556740]

約数ペア:

[(1, 61556740), (2, 30778370), (4, 15389185), (5, 12311348), (7, 8793820), (10, 6155674), (14, 4396910), (20, 3077837), (23, 2676380), (28, 2198455), (35, 1758764), (46, 1338190), (49, 1256260), (70, 879382), (92, 669095), (98, 628130), (115, 535276), (140, 439691), (161, 382340), (196, 314065), (230, 267638), (245, 251252), (322, 191170), (460, 133819), (490, 125626), (644, 95585), (805, 76468), (980, 62813), (1127, 54620), (1610, 38234), (2254, 27310), (2731, 22540), (3220, 19117), (4508, 13655), (5462, 11270), (5635, 10924)]