2572140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 7273728

約数和(自身を除く): 4701588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 263, 326, 489, 526, 652, 789, 815, 978, 1052, 1315, 1578, 1630, 1956, 2445, 2630, 3156, 3260, 3945, 4890, 5260, 7890, 9780, 15780, 42869, 85738, 128607, 171476, 214345, 257214, 428690, 514428, 643035, 857380, 1286070, 2572140]

約数ペア:

[(1, 2572140), (2, 1286070), (3, 857380), (4, 643035), (5, 514428), (6, 428690), (10, 257214), (12, 214345), (15, 171476), (20, 128607), (30, 85738), (60, 42869), (163, 15780), (263, 9780), (326, 7890), (489, 5260), (526, 4890), (652, 3945), (789, 3260), (815, 3156), (978, 2630), (1052, 2445), (1315, 1956), (1578, 1630)]