217871580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{13109}}^1$

素因数の和:13398

約数の個数: 48

約数和(自身を含む): 612289440

約数和(自身を除く): 394417860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 277, 554, 831, 1108, 1385, 1662, 2770, 3324, 4155, 5540, 8310, 13109, 16620, 26218, 39327, 52436, 65545, 78654, 131090, 157308, 196635, 262180, 393270, 786540, 3631193, 7262386, 10893579, 14524772, 18155965, 21787158, 36311930, 43574316, 54467895, 72623860, 108935790, 217871580]

約数ペア:

[(1, 217871580), (2, 108935790), (3, 72623860), (4, 54467895), (5, 43574316), (6, 36311930), (10, 21787158), (12, 18155965), (15, 14524772), (20, 10893579), (30, 7262386), (60, 3631193), (277, 786540), (554, 393270), (831, 262180), (1108, 196635), (1385, 157308), (1662, 131090), (2770, 78654), (3324, 65545), (4155, 52436), (5540, 39327), (8310, 26218), (13109, 16620)]