16540980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8893}}^1$

素因数の和:8936

約数の個数: 48

約数和(自身を含む): 47814144

約数和(自身を除く): 31273164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 8893, 17786, 26679, 35572, 44465, 53358, 88930, 106716, 133395, 177860, 266790, 275683, 533580, 551366, 827049, 1102732, 1378415, 1654098, 2756830, 3308196, 4135245, 5513660, 8270490, 16540980]

約数ペア:

[(1, 16540980), (2, 8270490), (3, 5513660), (4, 4135245), (5, 3308196), (6, 2756830), (10, 1654098), (12, 1378415), (15, 1102732), (20, 827049), (30, 551366), (31, 533580), (60, 275683), (62, 266790), (93, 177860), (124, 133395), (155, 106716), (186, 88930), (310, 53358), (372, 44465), (465, 35572), (620, 26679), (930, 17786), (1860, 8893)]