2728890

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{1123}}^1$

素因数の和:1145

約数の個数: 48

約数和(自身を含む): 7364448

約数和(自身を除く): 4635558

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1123, 1215, 2246, 2430, 3369, 5615, 6738, 10107, 11230, 16845, 20214, 30321, 33690, 50535, 60642, 90963, 101070, 151605, 181926, 272889, 303210, 454815, 545778, 909630, 1364445, 2728890]

約数ペア:

[(1, 2728890), (2, 1364445), (3, 909630), (5, 545778), (6, 454815), (9, 303210), (10, 272889), (15, 181926), (18, 151605), (27, 101070), (30, 90963), (45, 60642), (54, 50535), (81, 33690), (90, 30321), (135, 20214), (162, 16845), (243, 11230), (270, 10107), (405, 6738), (486, 5615), (810, 3369), (1123, 2430), (1215, 2246)]