28667670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:437

約数の個数: 64

約数和(自身を含む): 71622144

約数和(自身を除く): 42954474

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 71, 86, 129, 142, 213, 215, 258, 313, 355, 426, 430, 626, 645, 710, 939, 1065, 1290, 1565, 1878, 2130, 3053, 3130, 4695, 6106, 9159, 9390, 13459, 15265, 18318, 22223, 26918, 30530, 40377, 44446, 45795, 66669, 67295, 80754, 91590, 111115, 133338, 134590, 201885, 222230, 333345, 403770, 666690, 955589, 1911178, 2866767, 4777945, 5733534, 9555890, 14333835, 28667670]

約数ペア:

[(1, 28667670), (2, 14333835), (3, 9555890), (5, 5733534), (6, 4777945), (10, 2866767), (15, 1911178), (30, 955589), (43, 666690), (71, 403770), (86, 333345), (129, 222230), (142, 201885), (213, 134590), (215, 133338), (258, 111115), (313, 91590), (355, 80754), (426, 67295), (430, 66669), (626, 45795), (645, 44446), (710, 40377), (939, 30530), (1065, 26918), (1290, 22223), (1565, 18318), (1878, 15265), (2130, 13459), (3053, 9390), (3130, 9159), (4695, 6106)]