81980136

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1223}}^1$

素因数の和:1268

約数の個数: 144

約数和(自身を含む): 272095200

約数和(自身を除く): 190115064

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 28, 36, 38, 42, 49, 56, 57, 63, 72, 76, 84, 98, 114, 126, 133, 147, 152, 168, 171, 196, 228, 252, 266, 294, 342, 392, 399, 441, 456, 504, 532, 588, 684, 798, 882, 931, 1064, 1176, 1197, 1223, 1368, 1596, 1764, 1862, 2394, 2446, 2793, 3192, 3528, 3669, 3724, 4788, 4892, 5586, 7338, 7448, 8379, 8561, 9576, 9784, 11007, 11172, 14676, 16758, 17122, 22014, 22344, 23237, 25683, 29352, 33516, 34244, 44028, 46474, 51366, 59927, 67032, 68488, 69711, 77049, 88056, 92948, 102732, 119854, 139422, 154098, 162659, 179781, 185896, 205464, 209133, 239708, 278844, 308196, 325318, 359562, 418266, 479416, 487977, 539343, 557688, 616392, 650636, 719124, 836532, 975954, 1078686, 1138613, 1301272, 1438248, 1463931, 1673064, 1951908, 2157372, 2277226, 2927862, 3415839, 3903816, 4314744, 4554452, 5855724, 6831678, 9108904, 10247517, 11711448, 13663356, 20495034, 27326712, 40990068, 81980136]

約数ペア:

[(1, 81980136), (2, 40990068), (3, 27326712), (4, 20495034), (6, 13663356), (7, 11711448), (8, 10247517), (9, 9108904), (12, 6831678), (14, 5855724), (18, 4554452), (19, 4314744), (21, 3903816), (24, 3415839), (28, 2927862), (36, 2277226), (38, 2157372), (42, 1951908), (49, 1673064), (56, 1463931), (57, 1438248), (63, 1301272), (72, 1138613), (76, 1078686), (84, 975954), (98, 836532), (114, 719124), (126, 650636), (133, 616392), (147, 557688), (152, 539343), (168, 487977), (171, 479416), (196, 418266), (228, 359562), (252, 325318), (266, 308196), (294, 278844), (342, 239708), (392, 209133), (399, 205464), (441, 185896), (456, 179781), (504, 162659), (532, 154098), (588, 139422), (684, 119854), (798, 102732), (882, 92948), (931, 88056), (1064, 77049), (1176, 69711), (1197, 68488), (1223, 67032), (1368, 59927), (1596, 51366), (1764, 46474), (1862, 44028), (2394, 34244), (2446, 33516), (2793, 29352), (3192, 25683), (3528, 23237), (3669, 22344), (3724, 22014), (4788, 17122), (4892, 16758), (5586, 14676), (7338, 11172), (7448, 11007), (8379, 9784), (8561, 9576)]