30846780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{419}}^1$

素因数の和:843

約数の個数: 72

約数和(自身を含む): 94021200

約数和(自身を除く): 63174420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 409, 419, 818, 838, 1227, 1257, 1636, 1676, 2045, 2095, 2454, 2514, 3681, 3771, 4090, 4190, 4908, 5028, 6135, 6285, 7362, 7542, 8180, 8380, 12270, 12570, 14724, 15084, 18405, 18855, 24540, 25140, 36810, 37710, 73620, 75420, 171371, 342742, 514113, 685484, 856855, 1028226, 1542339, 1713710, 2056452, 2570565, 3084678, 3427420, 5141130, 6169356, 7711695, 10282260, 15423390, 30846780]

約数ペア:

[(1, 30846780), (2, 15423390), (3, 10282260), (4, 7711695), (5, 6169356), (6, 5141130), (9, 3427420), (10, 3084678), (12, 2570565), (15, 2056452), (18, 1713710), (20, 1542339), (30, 1028226), (36, 856855), (45, 685484), (60, 514113), (90, 342742), (180, 171371), (409, 75420), (419, 73620), (818, 37710), (838, 36810), (1227, 25140), (1257, 24540), (1636, 18855), (1676, 18405), (2045, 15084), (2095, 14724), (2454, 12570), (2514, 12270), (3681, 8380), (3771, 8180), (4090, 7542), (4190, 7362), (4908, 6285), (5028, 6135)]