15387380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{271}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 34546176

約数和(自身を除く): 19158796

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 167, 170, 271, 334, 340, 542, 668, 835, 1084, 1355, 1670, 2710, 2839, 3340, 4607, 5420, 5678, 9214, 11356, 14195, 18428, 23035, 28390, 45257, 46070, 56780, 90514, 92140, 181028, 226285, 452570, 769369, 905140, 1538738, 3077476, 3846845, 7693690, 15387380]

約数ペア:

[(1, 15387380), (2, 7693690), (4, 3846845), (5, 3077476), (10, 1538738), (17, 905140), (20, 769369), (34, 452570), (68, 226285), (85, 181028), (167, 92140), (170, 90514), (271, 56780), (334, 46070), (340, 45257), (542, 28390), (668, 23035), (835, 18428), (1084, 14195), (1355, 11356), (1670, 9214), (2710, 5678), (2839, 5420), (3340, 4607)]