15439980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{929}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 43434720

約数和(自身を除く): 27994740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 277, 554, 831, 929, 1108, 1385, 1662, 1858, 2770, 2787, 3324, 3716, 4155, 4645, 5540, 5574, 8310, 9290, 11148, 13935, 16620, 18580, 27870, 55740, 257333, 514666, 771999, 1029332, 1286665, 1543998, 2573330, 3087996, 3859995, 5146660, 7719990, 15439980]

約数ペア:

[(1, 15439980), (2, 7719990), (3, 5146660), (4, 3859995), (5, 3087996), (6, 2573330), (10, 1543998), (12, 1286665), (15, 1029332), (20, 771999), (30, 514666), (60, 257333), (277, 55740), (554, 27870), (831, 18580), (929, 16620), (1108, 13935), (1385, 11148), (1662, 9290), (1858, 8310), (2770, 5574), (2787, 5540), (3324, 4645), (3716, 4155)]