81869490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{547}}^1\times {\mathrm{1663}}^1$

素因数の和:2223

約数の個数: 48

約数和(自身を含む): 213378048

約数和(自身を除く): 131508558

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 547, 1094, 1641, 1663, 2735, 3282, 3326, 4923, 4989, 5470, 8205, 8315, 9846, 9978, 14967, 16410, 16630, 24615, 24945, 29934, 49230, 49890, 74835, 149670, 909661, 1819322, 2728983, 4548305, 5457966, 8186949, 9096610, 13644915, 16373898, 27289830, 40934745, 81869490]

約数ペア:

[(1, 81869490), (2, 40934745), (3, 27289830), (5, 16373898), (6, 13644915), (9, 9096610), (10, 8186949), (15, 5457966), (18, 4548305), (30, 2728983), (45, 1819322), (90, 909661), (547, 149670), (1094, 74835), (1641, 49890), (1663, 49230), (2735, 29934), (3282, 24945), (3326, 24615), (4923, 16630), (4989, 16410), (5470, 14967), (8205, 9978), (8315, 9846)]