81770184

素因数分解:

$2^3\times 3^2\times {\mathrm{607}}^1\times {\mathrm{1871}}^1$

素因数の和:2490

約数の個数: 48

約数和(自身を含む): 221944320

約数和(自身を除く): 140174136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 607, 1214, 1821, 1871, 2428, 3642, 3742, 4856, 5463, 5613, 7284, 7484, 10926, 11226, 14568, 14968, 16839, 21852, 22452, 33678, 43704, 44904, 67356, 134712, 1135697, 2271394, 3407091, 4542788, 6814182, 9085576, 10221273, 13628364, 20442546, 27256728, 40885092, 81770184]

約数ペア:

[(1, 81770184), (2, 40885092), (3, 27256728), (4, 20442546), (6, 13628364), (8, 10221273), (9, 9085576), (12, 6814182), (18, 4542788), (24, 3407091), (36, 2271394), (72, 1135697), (607, 134712), (1214, 67356), (1821, 44904), (1871, 43704), (2428, 33678), (3642, 22452), (3742, 21852), (4856, 16839), (5463, 14968), (5613, 14568), (7284, 11226), (7484, 10926)]