81671436

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:122

約数の個数: 288

約数和(自身を含む): 284981760

約数和(自身を除く): 203310324

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 23, 27, 28, 33, 36, 42, 44, 46, 49, 54, 61, 63, 66, 69, 77, 84, 92, 98, 99, 108, 122, 126, 132, 138, 147, 154, 161, 183, 189, 196, 198, 207, 231, 244, 252, 253, 276, 294, 297, 308, 322, 366, 378, 396, 414, 427, 441, 462, 483, 506, 539, 549, 588, 594, 621, 644, 671, 693, 732, 756, 759, 828, 854, 882, 924, 966, 1012, 1078, 1098, 1127, 1188, 1242, 1281, 1323, 1342, 1386, 1403, 1449, 1518, 1617, 1647, 1708, 1764, 1771, 1932, 2013, 2079, 2156, 2196, 2254, 2277, 2484, 2562, 2646, 2684, 2772, 2806, 2898, 2989, 3036, 3234, 3294, 3381, 3542, 3843, 4026, 4158, 4209, 4347, 4508, 4554, 4697, 4851, 5124, 5292, 5313, 5612, 5796, 5978, 6039, 6468, 6588, 6762, 6831, 7084, 7686, 8052, 8316, 8418, 8694, 8967, 9108, 9394, 9702, 9821, 10143, 10626, 11529, 11956, 12078, 12397, 12627, 13524, 13662, 14091, 14553, 15372, 15433, 15939, 16836, 17388, 17934, 18117, 18788, 19404, 19642, 20286, 21252, 23058, 24156, 24794, 25254, 26901, 27324, 28182, 29106, 29463, 30429, 30866, 31878, 32879, 35868, 36234, 37191, 37881, 39284, 40572, 42273, 46116, 46299, 47817, 49588, 50508, 53802, 56364, 58212, 58926, 60858, 61732, 63756, 65758, 68747, 72468, 74382, 75762, 80703, 84546, 88389, 92598, 95634, 98637, 107604, 108031, 111573, 117852, 121716, 126819, 131516, 137494, 138897, 148764, 151524, 161406, 169092, 176778, 185196, 191268, 197274, 206241, 216062, 223146, 253638, 265167, 274988, 277794, 295911, 322812, 324093, 334719, 353556, 394548, 412482, 416691, 432124, 446292, 507276, 530334, 555588, 591822, 618723, 648186, 669438, 756217, 824964, 833382, 887733, 972279, 1060668, 1183644, 1237446, 1296372, 1338876, 1512434, 1666764, 1775466, 1856169, 1944558, 2268651, 2474892, 2916837, 3024868, 3550932, 3712338, 3889116, 4537302, 5833674, 6805953, 7424676, 9074604, 11667348, 13611906, 20417859, 27223812, 40835718, 81671436]

約数ペア:

[(1, 81671436), (2, 40835718), (3, 27223812), (4, 20417859), (6, 13611906), (7, 11667348), (9, 9074604), (11, 7424676), (12, 6805953), (14, 5833674), (18, 4537302), (21, 3889116), (22, 3712338), (23, 3550932), (27, 3024868), (28, 2916837), (33, 2474892), (36, 2268651), (42, 1944558), (44, 1856169), (46, 1775466), (49, 1666764), (54, 1512434), (61, 1338876), (63, 1296372), (66, 1237446), (69, 1183644), (77, 1060668), (84, 972279), (92, 887733), (98, 833382), (99, 824964), (108, 756217), (122, 669438), (126, 648186), (132, 618723), (138, 591822), (147, 555588), (154, 530334), (161, 507276), (183, 446292), (189, 432124), (196, 416691), (198, 412482), (207, 394548), (231, 353556), (244, 334719), (252, 324093), (253, 322812), (276, 295911), (294, 277794), (297, 274988), (308, 265167), (322, 253638), (366, 223146), (378, 216062), (396, 206241), (414, 197274), (427, 191268), (441, 185196), (462, 176778), (483, 169092), (506, 161406), (539, 151524), (549, 148764), (588, 138897), (594, 137494), (621, 131516), (644, 126819), (671, 121716), (693, 117852), (732, 111573), (756, 108031), (759, 107604), (828, 98637), (854, 95634), (882, 92598), (924, 88389), (966, 84546), (1012, 80703), (1078, 75762), (1098, 74382), (1127, 72468), (1188, 68747), (1242, 65758), (1281, 63756), (1323, 61732), (1342, 60858), (1386, 58926), (1403, 58212), (1449, 56364), (1518, 53802), (1617, 50508), (1647, 49588), (1708, 47817), (1764, 46299), (1771, 46116), (1932, 42273), (2013, 40572), (2079, 39284), (2156, 37881), (2196, 37191), (2254, 36234), (2277, 35868), (2484, 32879), (2562, 31878), (2646, 30866), (2684, 30429), (2772, 29463), (2806, 29106), (2898, 28182), (2989, 27324), (3036, 26901), (3234, 25254), (3294, 24794), (3381, 24156), (3542, 23058), (3843, 21252), (4026, 20286), (4158, 19642), (4209, 19404), (4347, 18788), (4508, 18117), (4554, 17934), (4697, 17388), (4851, 16836), (5124, 15939), (5292, 15433), (5313, 15372), (5612, 14553), (5796, 14091), (5978, 13662), (6039, 13524), (6468, 12627), (6588, 12397), (6762, 12078), (6831, 11956), (7084, 11529), (7686, 10626), (8052, 10143), (8316, 9821), (8418, 9702), (8694, 9394), (8967, 9108)]