1977210

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{2441}}^1$

素因数の和:2460

約数の個数: 40

約数和(自身を含む): 5318676

約数和(自身を除く): 3341466

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 2441, 4882, 7323, 12205, 14646, 21969, 24410, 36615, 43938, 65907, 73230, 109845, 131814, 197721, 219690, 329535, 395442, 659070, 988605, 1977210]

約数ペア:

[(1, 1977210), (2, 988605), (3, 659070), (5, 395442), (6, 329535), (9, 219690), (10, 197721), (15, 131814), (18, 109845), (27, 73230), (30, 65907), (45, 43938), (54, 36615), (81, 24410), (90, 21969), (135, 14646), (162, 12205), (270, 7323), (405, 4882), (810, 2441)]