64881410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{43}}^2$

素因数の和:144

約数の個数: 72

約数和(自身を含む): 135955260

約数和(自身を除く): 71073850

約数列:

[1, 2, 5, 10, 11, 22, 29, 43, 55, 58, 86, 110, 121, 145, 215, 242, 290, 319, 430, 473, 605, 638, 946, 1210, 1247, 1595, 1849, 2365, 2494, 3190, 3509, 3698, 4730, 5203, 6235, 7018, 9245, 10406, 12470, 13717, 17545, 18490, 20339, 26015, 27434, 35090, 40678, 52030, 53621, 68585, 101695, 107242, 137170, 150887, 203390, 223729, 268105, 301774, 447458, 536210, 589831, 754435, 1118645, 1179662, 1508870, 2237290, 2949155, 5898310, 6488141, 12976282, 32440705, 64881410]

約数ペア:

[(1, 64881410), (2, 32440705), (5, 12976282), (10, 6488141), (11, 5898310), (22, 2949155), (29, 2237290), (43, 1508870), (55, 1179662), (58, 1118645), (86, 754435), (110, 589831), (121, 536210), (145, 447458), (215, 301774), (242, 268105), (290, 223729), (319, 203390), (430, 150887), (473, 137170), (605, 107242), (638, 101695), (946, 68585), (1210, 53621), (1247, 52030), (1595, 40678), (1849, 35090), (2365, 27434), (2494, 26015), (3190, 20339), (3509, 18490), (3698, 17545), (4730, 13717), (5203, 12470), (6235, 10406), (7018, 9245)]