81990368964

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{1129}}^1\times {\mathrm{13723}}^1$

素因数の和:14879

約数の個数: 144

約数和(自身を含む): 247509595200

約数和(自身を除く): 165519226236

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 588, 756, 882, 1129, 1323, 1764, 2258, 2646, 3387, 4516, 5292, 6774, 7903, 10161, 13548, 13723, 15806, 20322, 23709, 27446, 30483, 31612, 40644, 41169, 47418, 54892, 55321, 60966, 71127, 82338, 94836, 96061, 110642, 121932, 123507, 142254, 164676, 165963, 192122, 213381, 221284, 247014, 284508, 288183, 331926, 370521, 384244, 426762, 494028, 497889, 576366, 663852, 672427, 741042, 853524, 864549, 995778, 1152732, 1344854, 1482084, 1493667, 1729098, 1991556, 2017281, 2593647, 2689708, 2987334, 3458196, 4034562, 5187294, 5974668, 6051843, 8069124, 10374588, 12103686, 15493267, 18155529, 24207372, 30986534, 36311058, 46479801, 61973068, 72622116, 92959602, 108452869, 139439403, 185919204, 216905738, 278878806, 325358607, 418318209, 433811476, 557757612, 650717214, 759170083, 836636418, 976075821, 1301434428, 1518340166, 1673272836, 1952151642, 2277510249, 2928227463, 3036680332, 3904303284, 4555020498, 5856454926, 6832530747, 9110040996, 11712909852, 13665061494, 20497592241, 27330122988, 40995184482, 81990368964]

約数ペア:

[(1, 81990368964), (2, 40995184482), (3, 27330122988), (4, 20497592241), (6, 13665061494), (7, 11712909852), (9, 9110040996), (12, 6832530747), (14, 5856454926), (18, 4555020498), (21, 3904303284), (27, 3036680332), (28, 2928227463), (36, 2277510249), (42, 1952151642), (49, 1673272836), (54, 1518340166), (63, 1301434428), (84, 976075821), (98, 836636418), (108, 759170083), (126, 650717214), (147, 557757612), (189, 433811476), (196, 418318209), (252, 325358607), (294, 278878806), (378, 216905738), (441, 185919204), (588, 139439403), (756, 108452869), (882, 92959602), (1129, 72622116), (1323, 61973068), (1764, 46479801), (2258, 36311058), (2646, 30986534), (3387, 24207372), (4516, 18155529), (5292, 15493267), (6774, 12103686), (7903, 10374588), (10161, 8069124), (13548, 6051843), (13723, 5974668), (15806, 5187294), (20322, 4034562), (23709, 3458196), (27446, 2987334), (30483, 2689708), (31612, 2593647), (40644, 2017281), (41169, 1991556), (47418, 1729098), (54892, 1493667), (55321, 1482084), (60966, 1344854), (71127, 1152732), (82338, 995778), (94836, 864549), (96061, 853524), (110642, 741042), (121932, 672427), (123507, 663852), (142254, 576366), (164676, 497889), (165963, 494028), (192122, 426762), (213381, 384244), (221284, 370521), (247014, 331926), (284508, 288183)]