15882540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8539}}^1$

素因数の和:8582

約数の個数: 48

約数和(自身を含む): 45911040

約数和(自身を除く): 30028500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 8539, 17078, 25617, 34156, 42695, 51234, 85390, 102468, 128085, 170780, 256170, 264709, 512340, 529418, 794127, 1058836, 1323545, 1588254, 2647090, 3176508, 3970635, 5294180, 7941270, 15882540]

約数ペア:

[(1, 15882540), (2, 7941270), (3, 5294180), (4, 3970635), (5, 3176508), (6, 2647090), (10, 1588254), (12, 1323545), (15, 1058836), (20, 794127), (30, 529418), (31, 512340), (60, 264709), (62, 256170), (93, 170780), (124, 128085), (155, 102468), (186, 85390), (310, 51234), (372, 42695), (465, 34156), (620, 25617), (930, 17078), (1860, 8539)]