31392760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{587}}^1$

素因数の和:796

約数の個数: 64

約数和(自身を含む): 81285120

約数和(自身を除く): 49892360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 191, 280, 382, 587, 764, 955, 1174, 1337, 1528, 1910, 2348, 2674, 2935, 3820, 4109, 4696, 5348, 5870, 6685, 7640, 8218, 10696, 11740, 13370, 16436, 20545, 23480, 26740, 32872, 41090, 53480, 82180, 112117, 164360, 224234, 448468, 560585, 784819, 896936, 1121170, 1569638, 2242340, 3139276, 3924095, 4484680, 6278552, 7848190, 15696380, 31392760]

約数ペア:

[(1, 31392760), (2, 15696380), (4, 7848190), (5, 6278552), (7, 4484680), (8, 3924095), (10, 3139276), (14, 2242340), (20, 1569638), (28, 1121170), (35, 896936), (40, 784819), (56, 560585), (70, 448468), (140, 224234), (191, 164360), (280, 112117), (382, 82180), (587, 53480), (764, 41090), (955, 32872), (1174, 26740), (1337, 23480), (1528, 20545), (1910, 16436), (2348, 13370), (2674, 11740), (2935, 10696), (3820, 8218), (4109, 7640), (4696, 6685), (5348, 5870)]