81607770

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{739}}^1$

素因数の和:1164

約数の個数: 64

約数和(自身を含む): 218448000

約数和(自身を除く): 136840230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 409, 739, 818, 1227, 1478, 2045, 2217, 2454, 3681, 3695, 4090, 4434, 6135, 6651, 7362, 7390, 11043, 11085, 12270, 13302, 18405, 19953, 22086, 22170, 33255, 36810, 39906, 55215, 66510, 99765, 110430, 199530, 302251, 604502, 906753, 1511255, 1813506, 2720259, 3022510, 4533765, 5440518, 8160777, 9067530, 13601295, 16321554, 27202590, 40803885, 81607770]

約数ペア:

[(1, 81607770), (2, 40803885), (3, 27202590), (5, 16321554), (6, 13601295), (9, 9067530), (10, 8160777), (15, 5440518), (18, 4533765), (27, 3022510), (30, 2720259), (45, 1813506), (54, 1511255), (90, 906753), (135, 604502), (270, 302251), (409, 199530), (739, 110430), (818, 99765), (1227, 66510), (1478, 55215), (2045, 39906), (2217, 36810), (2454, 33255), (3681, 22170), (3695, 22086), (4090, 19953), (4434, 18405), (6135, 13302), (6651, 12270), (7362, 11085), (7390, 11043)]