135105180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{321679}}^1$

素因数の和:321698

約数の個数: 48

約数和(自身を含む): 432337920

約数和(自身を除く): 297232740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 321679, 643358, 965037, 1286716, 1608395, 1930074, 2251753, 3216790, 3860148, 4503506, 4825185, 6433580, 6755259, 9007012, 9650370, 11258765, 13510518, 19300740, 22517530, 27021036, 33776295, 45035060, 67552590, 135105180]

約数ペア:

[(1, 135105180), (2, 67552590), (3, 45035060), (4, 33776295), (5, 27021036), (6, 22517530), (7, 19300740), (10, 13510518), (12, 11258765), (14, 9650370), (15, 9007012), (20, 6755259), (21, 6433580), (28, 4825185), (30, 4503506), (35, 3860148), (42, 3216790), (60, 2251753), (70, 1930074), (84, 1608395), (105, 1286716), (140, 965037), (210, 643358), (420, 321679)]