81986460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{4933}}^1$

素因数の和:5222

約数の個数: 48

約数和(自身を含む): 230437536

約数和(自身を除く): 148451076

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 277, 554, 831, 1108, 1385, 1662, 2770, 3324, 4155, 4933, 5540, 8310, 9866, 14799, 16620, 19732, 24665, 29598, 49330, 59196, 73995, 98660, 147990, 295980, 1366441, 2732882, 4099323, 5465764, 6832205, 8198646, 13664410, 16397292, 20496615, 27328820, 40993230, 81986460]

約数ペア:

[(1, 81986460), (2, 40993230), (3, 27328820), (4, 20496615), (5, 16397292), (6, 13664410), (10, 8198646), (12, 6832205), (15, 5465764), (20, 4099323), (30, 2732882), (60, 1366441), (277, 295980), (554, 147990), (831, 98660), (1108, 73995), (1385, 59196), (1662, 49330), (2770, 29598), (3324, 24665), (4155, 19732), (4933, 16620), (5540, 14799), (8310, 9866)]