81260784

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 180

約数和(自身を含む): 261153672

約数和(自身を除く): 179892888

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 29, 33, 36, 44, 48, 58, 61, 66, 72, 87, 88, 99, 116, 122, 132, 144, 174, 176, 183, 198, 232, 244, 261, 264, 319, 348, 366, 396, 464, 488, 522, 528, 549, 638, 671, 696, 732, 792, 841, 957, 976, 1044, 1098, 1276, 1342, 1392, 1464, 1584, 1682, 1769, 1914, 2013, 2088, 2196, 2523, 2552, 2684, 2871, 2928, 3364, 3538, 3828, 4026, 4176, 4392, 5046, 5104, 5307, 5368, 5742, 6039, 6728, 7076, 7569, 7656, 8052, 8784, 9251, 10092, 10614, 10736, 11484, 12078, 13456, 14152, 15138, 15312, 15921, 16104, 18502, 19459, 20184, 21228, 22968, 24156, 27753, 28304, 30276, 31842, 32208, 37004, 38918, 40368, 42456, 45936, 48312, 51301, 55506, 58377, 60552, 63684, 74008, 77836, 83259, 84912, 96624, 102602, 111012, 116754, 121104, 127368, 148016, 153903, 155672, 166518, 175131, 205204, 222024, 233508, 254736, 307806, 311344, 333036, 350262, 410408, 444048, 461709, 467016, 564311, 615612, 666072, 700524, 820816, 923418, 934032, 1128622, 1231224, 1332144, 1401048, 1692933, 1846836, 2257244, 2462448, 2802096, 3385866, 3693672, 4514488, 5078799, 6771732, 7387344, 9028976, 10157598, 13543464, 20315196, 27086928, 40630392, 81260784]

約数ペア:

[(1, 81260784), (2, 40630392), (3, 27086928), (4, 20315196), (6, 13543464), (8, 10157598), (9, 9028976), (11, 7387344), (12, 6771732), (16, 5078799), (18, 4514488), (22, 3693672), (24, 3385866), (29, 2802096), (33, 2462448), (36, 2257244), (44, 1846836), (48, 1692933), (58, 1401048), (61, 1332144), (66, 1231224), (72, 1128622), (87, 934032), (88, 923418), (99, 820816), (116, 700524), (122, 666072), (132, 615612), (144, 564311), (174, 467016), (176, 461709), (183, 444048), (198, 410408), (232, 350262), (244, 333036), (261, 311344), (264, 307806), (319, 254736), (348, 233508), (366, 222024), (396, 205204), (464, 175131), (488, 166518), (522, 155672), (528, 153903), (549, 148016), (638, 127368), (671, 121104), (696, 116754), (732, 111012), (792, 102602), (841, 96624), (957, 84912), (976, 83259), (1044, 77836), (1098, 74008), (1276, 63684), (1342, 60552), (1392, 58377), (1464, 55506), (1584, 51301), (1682, 48312), (1769, 45936), (1914, 42456), (2013, 40368), (2088, 38918), (2196, 37004), (2523, 32208), (2552, 31842), (2684, 30276), (2871, 28304), (2928, 27753), (3364, 24156), (3538, 22968), (3828, 21228), (4026, 20184), (4176, 19459), (4392, 18502), (5046, 16104), (5104, 15921), (5307, 15312), (5368, 15138), (5742, 14152), (6039, 13456), (6728, 12078), (7076, 11484), (7569, 10736), (7656, 10614), (8052, 10092), (8784, 9251)]