87967740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{29921}}^1$

素因数の和:29947

約数の個数: 72

約数和(自身を含む): 286533072

約数和(自身を除く): 198565332

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, 490, 588, 735, 980, 1470, 2940, 29921, 59842, 89763, 119684, 149605, 179526, 209447, 299210, 359052, 418894, 448815, 598420, 628341, 837788, 897630, 1047235, 1256682, 1466129, 1795260, 2094470, 2513364, 2932258, 3141705, 4188940, 4398387, 5864516, 6283410, 7330645, 8796774, 12566820, 14661290, 17593548, 21991935, 29322580, 43983870, 87967740]

約数ペア:

[(1, 87967740), (2, 43983870), (3, 29322580), (4, 21991935), (5, 17593548), (6, 14661290), (7, 12566820), (10, 8796774), (12, 7330645), (14, 6283410), (15, 5864516), (20, 4398387), (21, 4188940), (28, 3141705), (30, 2932258), (35, 2513364), (42, 2094470), (49, 1795260), (60, 1466129), (70, 1256682), (84, 1047235), (98, 897630), (105, 837788), (140, 628341), (147, 598420), (196, 448815), (210, 418894), (245, 359052), (294, 299210), (420, 209447), (490, 179526), (588, 149605), (735, 119684), (980, 89763), (1470, 59842), (2940, 29921)]