128973870

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{159227}}^1$

素因数の和:159246

約数の個数: 40

約数和(自身を含む): 346798584

約数和(自身を除く): 217824714

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 159227, 318454, 477681, 796135, 955362, 1433043, 1592270, 2388405, 2866086, 4299129, 4776810, 7165215, 8598258, 12897387, 14330430, 21495645, 25794774, 42991290, 64486935, 128973870]

約数ペア:

[(1, 128973870), (2, 64486935), (3, 42991290), (5, 25794774), (6, 21495645), (9, 14330430), (10, 12897387), (15, 8598258), (18, 7165215), (27, 4776810), (30, 4299129), (45, 2866086), (54, 2388405), (81, 1592270), (90, 1433043), (135, 955362), (162, 796135), (270, 477681), (405, 318454), (810, 159227)]