1302420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{443}}^1$

素因数の和:469

約数の個数: 72

約数和(自身を含む): 4251744

約数和(自身を除く): 2949324

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 443, 490, 588, 735, 886, 980, 1329, 1470, 1772, 2215, 2658, 2940, 3101, 4430, 5316, 6202, 6645, 8860, 9303, 12404, 13290, 15505, 18606, 21707, 26580, 31010, 37212, 43414, 46515, 62020, 65121, 86828, 93030, 108535, 130242, 186060, 217070, 260484, 325605, 434140, 651210, 1302420]

約数ペア:

[(1, 1302420), (2, 651210), (3, 434140), (4, 325605), (5, 260484), (6, 217070), (7, 186060), (10, 130242), (12, 108535), (14, 93030), (15, 86828), (20, 65121), (21, 62020), (28, 46515), (30, 43414), (35, 37212), (42, 31010), (49, 26580), (60, 21707), (70, 18606), (84, 15505), (98, 13290), (105, 12404), (140, 9303), (147, 8860), (196, 6645), (210, 6202), (245, 5316), (294, 4430), (420, 3101), (443, 2940), (490, 2658), (588, 2215), (735, 1772), (886, 1470), (980, 1329)]