81386580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{389}}^1$

素因数の和:729

約数の個数: 96

約数和(自身を含む): 250024320

約数和(自身を除く): 168637740

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 317, 330, 389, 634, 660, 778, 951, 1167, 1268, 1556, 1585, 1902, 1945, 2334, 3170, 3487, 3804, 3890, 4279, 4668, 4755, 5835, 6340, 6974, 7780, 8558, 9510, 10461, 11670, 12837, 13948, 17116, 17435, 19020, 20922, 21395, 23340, 25674, 34870, 41844, 42790, 51348, 52305, 64185, 69740, 85580, 104610, 123313, 128370, 209220, 246626, 256740, 369939, 493252, 616565, 739878, 1233130, 1356443, 1479756, 1849695, 2466260, 2712886, 3699390, 4069329, 5425772, 6782215, 7398780, 8138658, 13564430, 16277316, 20346645, 27128860, 40693290, 81386580]

約数ペア:

[(1, 81386580), (2, 40693290), (3, 27128860), (4, 20346645), (5, 16277316), (6, 13564430), (10, 8138658), (11, 7398780), (12, 6782215), (15, 5425772), (20, 4069329), (22, 3699390), (30, 2712886), (33, 2466260), (44, 1849695), (55, 1479756), (60, 1356443), (66, 1233130), (110, 739878), (132, 616565), (165, 493252), (220, 369939), (317, 256740), (330, 246626), (389, 209220), (634, 128370), (660, 123313), (778, 104610), (951, 85580), (1167, 69740), (1268, 64185), (1556, 52305), (1585, 51348), (1902, 42790), (1945, 41844), (2334, 34870), (3170, 25674), (3487, 23340), (3804, 21395), (3890, 20922), (4279, 19020), (4668, 17435), (4755, 17116), (5835, 13948), (6340, 12837), (6974, 11670), (7780, 10461), (8558, 9510)]