28146660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3581}}^1$

素因数の和:3724

約数の個数: 48

約数和(自身を含む): 79434432

約数和(自身を除く): 51287772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3581, 3930, 7162, 7860, 10743, 14324, 17905, 21486, 35810, 42972, 53715, 71620, 107430, 214860, 469111, 938222, 1407333, 1876444, 2345555, 2814666, 4691110, 5629332, 7036665, 9382220, 14073330, 28146660]

約数ペア:

[(1, 28146660), (2, 14073330), (3, 9382220), (4, 7036665), (5, 5629332), (6, 4691110), (10, 2814666), (12, 2345555), (15, 1876444), (20, 1407333), (30, 938222), (60, 469111), (131, 214860), (262, 107430), (393, 71620), (524, 53715), (655, 42972), (786, 35810), (1310, 21486), (1572, 17905), (1965, 14324), (2620, 10743), (3581, 7860), (3930, 7162)]