72840180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{173429}}^1$

素因数の和:173448

約数の個数: 48

約数和(自身を含む): 233089920

約数和(自身を除く): 160249740

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, 173429, 346858, 520287, 693716, 867145, 1040574, 1214003, 1734290, 2081148, 2428006, 2601435, 3468580, 3642009, 4856012, 5202870, 6070015, 7284018, 10405740, 12140030, 14568036, 18210045, 24280060, 36420090, 72840180]

約数ペア:

[(1, 72840180), (2, 36420090), (3, 24280060), (4, 18210045), (5, 14568036), (6, 12140030), (7, 10405740), (10, 7284018), (12, 6070015), (14, 5202870), (15, 4856012), (20, 3642009), (21, 3468580), (28, 2601435), (30, 2428006), (35, 2081148), (42, 1734290), (60, 1214003), (70, 1040574), (84, 867145), (105, 693716), (140, 520287), (210, 346858), (420, 173429)]