15639140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1061}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 36396864

約数和(自身を除く): 20757724

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 220, 268, 335, 670, 737, 1061, 1340, 1474, 2122, 2948, 3685, 4244, 5305, 7370, 10610, 11671, 14740, 21220, 23342, 46684, 58355, 71087, 116710, 142174, 233420, 284348, 355435, 710870, 781957, 1421740, 1563914, 3127828, 3909785, 7819570, 15639140]

約数ペア:

[(1, 15639140), (2, 7819570), (4, 3909785), (5, 3127828), (10, 1563914), (11, 1421740), (20, 781957), (22, 710870), (44, 355435), (55, 284348), (67, 233420), (110, 142174), (134, 116710), (220, 71087), (268, 58355), (335, 46684), (670, 23342), (737, 21220), (1061, 14740), (1340, 11671), (1474, 10610), (2122, 7370), (2948, 5305), (3685, 4244)]