15720070

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1039}}^1$

素因数の和:1152

約数の個数: 32

約数和(自身を含む): 30326400

約数和(自身を除く): 14606330

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 170, 178, 445, 890, 1039, 1513, 2078, 3026, 5195, 7565, 10390, 15130, 17663, 35326, 88315, 92471, 176630, 184942, 462355, 924710, 1572007, 3144014, 7860035, 15720070]

約数ペア:

[(1, 15720070), (2, 7860035), (5, 3144014), (10, 1572007), (17, 924710), (34, 462355), (85, 184942), (89, 176630), (170, 92471), (178, 88315), (445, 35326), (890, 17663), (1039, 15130), (1513, 10390), (2078, 7565), (3026, 5195)]