78684780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{919}}^1\times {\mathrm{1427}}^1$

素因数の和:2358

約数の個数: 48

約数和(自身を含む): 220711680

約数和(自身を除く): 142026900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 919, 1427, 1838, 2757, 2854, 3676, 4281, 4595, 5514, 5708, 7135, 8562, 9190, 11028, 13785, 14270, 17124, 18380, 21405, 27570, 28540, 42810, 55140, 85620, 1311413, 2622826, 3934239, 5245652, 6557065, 7868478, 13114130, 15736956, 19671195, 26228260, 39342390, 78684780]

約数ペア:

[(1, 78684780), (2, 39342390), (3, 26228260), (4, 19671195), (5, 15736956), (6, 13114130), (10, 7868478), (12, 6557065), (15, 5245652), (20, 3934239), (30, 2622826), (60, 1311413), (919, 85620), (1427, 55140), (1838, 42810), (2757, 28540), (2854, 27570), (3676, 21405), (4281, 18380), (4595, 17124), (5514, 14270), (5708, 13785), (7135, 11028), (8562, 9190)]