81890580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59341}}^1$

素因数の和:59376

約数の個数: 48

約数和(自身を含む): 239266944

約数和(自身を除く): 157376364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 59341, 118682, 178023, 237364, 296705, 356046, 593410, 712092, 890115, 1186820, 1364843, 1780230, 2729686, 3560460, 4094529, 5459372, 6824215, 8189058, 13648430, 16378116, 20472645, 27296860, 40945290, 81890580]

約数ペア:

[(1, 81890580), (2, 40945290), (3, 27296860), (4, 20472645), (5, 16378116), (6, 13648430), (10, 8189058), (12, 6824215), (15, 5459372), (20, 4094529), (23, 3560460), (30, 2729686), (46, 1780230), (60, 1364843), (69, 1186820), (92, 890115), (115, 712092), (138, 593410), (230, 356046), (276, 296705), (345, 237364), (460, 178023), (690, 118682), (1380, 59341)]