7272580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 18299736

約数和(自身を除く): 11027156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 181, 196, 205, 245, 287, 362, 410, 490, 574, 724, 820, 905, 980, 1148, 1267, 1435, 1810, 2009, 2534, 2870, 3620, 4018, 5068, 5740, 6335, 7421, 8036, 8869, 10045, 12670, 14842, 17738, 20090, 25340, 29684, 35476, 37105, 40180, 44345, 51947, 74210, 88690, 103894, 148420, 177380, 207788, 259735, 363629, 519470, 727258, 1038940, 1454516, 1818145, 3636290, 7272580]

約数ペア:

[(1, 7272580), (2, 3636290), (4, 1818145), (5, 1454516), (7, 1038940), (10, 727258), (14, 519470), (20, 363629), (28, 259735), (35, 207788), (41, 177380), (49, 148420), (70, 103894), (82, 88690), (98, 74210), (140, 51947), (164, 44345), (181, 40180), (196, 37105), (205, 35476), (245, 29684), (287, 25340), (362, 20090), (410, 17738), (490, 14842), (574, 12670), (724, 10045), (820, 8869), (905, 8036), (980, 7421), (1148, 6335), (1267, 5740), (1435, 5068), (1810, 4018), (2009, 3620), (2534, 2870)]