71878716

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{593}}^1$

素因数の和:660

約数の個数: 144

約数和(自身を含む): 230053824

約数和(自身を除く): 158175108

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 37, 39, 42, 52, 63, 74, 78, 84, 91, 111, 117, 126, 148, 156, 182, 222, 234, 252, 259, 273, 333, 364, 444, 468, 481, 518, 546, 593, 666, 777, 819, 962, 1036, 1092, 1186, 1332, 1443, 1554, 1638, 1779, 1924, 2331, 2372, 2886, 3108, 3276, 3367, 3558, 4151, 4329, 4662, 5337, 5772, 6734, 7116, 7709, 8302, 8658, 9324, 10101, 10674, 12453, 13468, 15418, 16604, 17316, 20202, 21348, 21941, 23127, 24906, 30303, 30836, 37359, 40404, 43882, 46254, 49812, 53963, 60606, 65823, 69381, 74718, 87764, 92508, 107926, 121212, 131646, 138762, 149436, 153587, 161889, 197469, 215852, 263292, 277524, 285233, 307174, 323778, 394938, 460761, 485667, 570466, 614348, 647556, 789876, 855699, 921522, 971334, 1140932, 1382283, 1711398, 1843044, 1942668, 1996631, 2567097, 2764566, 3422796, 3993262, 5134194, 5529132, 5989893, 7986524, 10268388, 11979786, 17969679, 23959572, 35939358, 71878716]

約数ペア:

[(1, 71878716), (2, 35939358), (3, 23959572), (4, 17969679), (6, 11979786), (7, 10268388), (9, 7986524), (12, 5989893), (13, 5529132), (14, 5134194), (18, 3993262), (21, 3422796), (26, 2764566), (28, 2567097), (36, 1996631), (37, 1942668), (39, 1843044), (42, 1711398), (52, 1382283), (63, 1140932), (74, 971334), (78, 921522), (84, 855699), (91, 789876), (111, 647556), (117, 614348), (126, 570466), (148, 485667), (156, 460761), (182, 394938), (222, 323778), (234, 307174), (252, 285233), (259, 277524), (273, 263292), (333, 215852), (364, 197469), (444, 161889), (468, 153587), (481, 149436), (518, 138762), (546, 131646), (593, 121212), (666, 107926), (777, 92508), (819, 87764), (962, 74718), (1036, 69381), (1092, 65823), (1186, 60606), (1332, 53963), (1443, 49812), (1554, 46254), (1638, 43882), (1779, 40404), (1924, 37359), (2331, 30836), (2372, 30303), (2886, 24906), (3108, 23127), (3276, 21941), (3367, 21348), (3558, 20202), (4151, 17316), (4329, 16604), (4662, 15418), (5337, 13468), (5772, 12453), (6734, 10674), (7116, 10101), (7709, 9324), (8302, 8658)]