72112740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{171697}}^1$

素因数の和:171716

約数の個数: 48

約数和(自身を含む): 230762112

約数和(自身を除く): 158649372

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, 171697, 343394, 515091, 686788, 858485, 1030182, 1201879, 1716970, 2060364, 2403758, 2575455, 3433940, 3605637, 4807516, 5150910, 6009395, 7211274, 10301820, 12018790, 14422548, 18028185, 24037580, 36056370, 72112740]

約数ペア:

[(1, 72112740), (2, 36056370), (3, 24037580), (4, 18028185), (5, 14422548), (6, 12018790), (7, 10301820), (10, 7211274), (12, 6009395), (14, 5150910), (15, 4807516), (20, 3605637), (21, 3433940), (28, 2575455), (30, 2403758), (35, 2060364), (42, 1716970), (60, 1201879), (70, 1030182), (84, 858485), (105, 686788), (140, 515091), (210, 343394), (420, 171697)]