81850440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97441}}^1$

素因数の和:97462

約数の個数: 64

約数和(自身を含む): 280632960

約数和(自身を除く): 198782520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 97441, 194882, 292323, 389764, 487205, 584646, 682087, 779528, 974410, 1169292, 1364174, 1461615, 1948820, 2046261, 2338584, 2728348, 2923230, 3410435, 3897640, 4092522, 5456696, 5846460, 6820870, 8185044, 10231305, 11692920, 13641740, 16370088, 20462610, 27283480, 40925220, 81850440]

約数ペア:

[(1, 81850440), (2, 40925220), (3, 27283480), (4, 20462610), (5, 16370088), (6, 13641740), (7, 11692920), (8, 10231305), (10, 8185044), (12, 6820870), (14, 5846460), (15, 5456696), (20, 4092522), (21, 3897640), (24, 3410435), (28, 2923230), (30, 2728348), (35, 2338584), (40, 2046261), (42, 1948820), (56, 1461615), (60, 1364174), (70, 1169292), (84, 974410), (105, 779528), (120, 682087), (140, 584646), (168, 487205), (210, 389764), (280, 292323), (420, 194882), (840, 97441)]