1998192456

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:170

約数の個数: 384

約数和(自身を含む): 6570432000

約数和(自身を除く): 4572239544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 24, 26, 27, 36, 38, 39, 43, 52, 54, 57, 67, 72, 76, 78, 86, 104, 108, 114, 117, 129, 134, 152, 156, 169, 171, 172, 201, 216, 228, 234, 247, 258, 268, 312, 338, 342, 344, 351, 387, 402, 456, 468, 494, 507, 513, 516, 536, 559, 603, 676, 684, 702, 741, 774, 804, 817, 871, 936, 988, 1014, 1026, 1032, 1118, 1161, 1206, 1273, 1352, 1368, 1404, 1482, 1521, 1548, 1608, 1634, 1677, 1742, 1809, 1976, 2028, 2052, 2223, 2236, 2322, 2412, 2451, 2546, 2613, 2808, 2881, 2964, 3042, 3096, 3211, 3268, 3354, 3484, 3618, 3819, 4056, 4104, 4446, 4472, 4563, 4644, 4824, 4902, 5031, 5092, 5226, 5762, 5928, 6084, 6422, 6536, 6669, 6708, 6968, 7236, 7267, 7353, 7638, 7839, 8643, 8892, 9126, 9288, 9633, 9804, 10062, 10184, 10452, 10621, 11323, 11457, 11524, 12168, 12844, 13338, 13416, 14472, 14534, 14706, 15093, 15276, 15678, 16549, 17286, 17784, 18252, 19266, 19608, 20124, 20904, 21242, 21801, 22059, 22646, 22914, 23048, 23517, 25688, 25929, 26676, 28899, 29068, 29412, 30186, 30552, 31356, 31863, 33098, 33969, 34371, 34572, 36504, 37453, 38532, 40248, 42484, 43602, 44118, 45292, 45828, 47034, 49647, 51858, 53352, 54739, 57798, 58136, 58824, 60372, 62712, 63726, 65403, 66196, 67938, 68742, 69144, 74906, 77064, 77787, 84968, 86697, 87204, 88236, 90584, 91656, 94068, 95589, 99294, 101907, 103716, 109478, 112359, 115596, 120744, 127452, 130806, 132392, 135876, 137484, 138073, 148941, 149812, 155574, 164217, 173394, 174408, 176472, 188136, 191178, 196209, 198588, 203814, 207432, 215137, 218956, 224718, 231192, 254904, 261612, 271752, 274968, 276146, 286767, 297882, 299624, 305721, 311148, 328434, 337077, 346788, 382356, 392418, 397176, 407628, 414219, 430274, 437912, 446823, 449436, 486889, 492651, 523224, 552292, 573534, 595764, 611442, 622296, 645411, 656868, 674154, 693576, 711607, 764712, 784836, 815256, 828438, 860548, 893646, 898872, 973778, 985302, 1011231, 1104584, 1147068, 1191528, 1222884, 1242657, 1290822, 1313736, 1348308, 1423214, 1460667, 1477953, 1569672, 1656876, 1721096, 1787292, 1936233, 1947556, 1970604, 2022462, 2134821, 2294136, 2445768, 2485314, 2581644, 2696616, 2846428, 2921334, 2955906, 3313752, 3574584, 3727971, 3872466, 3895112, 3941208, 4044924, 4269642, 4382001, 4970628, 5163288, 5692856, 5808699, 5842668, 5911812, 6404463, 7455942, 7744932, 8089848, 8539284, 8764002, 9250891, 9941256, 11617398, 11685336, 11823624, 12808926, 13146003, 14911884, 15489864, 17078568, 17528004, 18501782, 19213389, 23234796, 25617852, 26292006, 27752673, 29823768, 35056008, 37003564, 38426778, 46469592, 51235704, 52584012, 55505346, 74007128, 76853556, 83258019, 105168024, 111010692, 153707112, 166516038, 222021384, 249774057, 333032076, 499548114, 666064152, 999096228, 1998192456]

約数ペア:

[(1, 1998192456), (2, 999096228), (3, 666064152), (4, 499548114), (6, 333032076), (8, 249774057), (9, 222021384), (12, 166516038), (13, 153707112), (18, 111010692), (19, 105168024), (24, 83258019), (26, 76853556), (27, 74007128), (36, 55505346), (38, 52584012), (39, 51235704), (43, 46469592), (52, 38426778), (54, 37003564), (57, 35056008), (67, 29823768), (72, 27752673), (76, 26292006), (78, 25617852), (86, 23234796), (104, 19213389), (108, 18501782), (114, 17528004), (117, 17078568), (129, 15489864), (134, 14911884), (152, 13146003), (156, 12808926), (169, 11823624), (171, 11685336), (172, 11617398), (201, 9941256), (216, 9250891), (228, 8764002), (234, 8539284), (247, 8089848), (258, 7744932), (268, 7455942), (312, 6404463), (338, 5911812), (342, 5842668), (344, 5808699), (351, 5692856), (387, 5163288), (402, 4970628), (456, 4382001), (468, 4269642), (494, 4044924), (507, 3941208), (513, 3895112), (516, 3872466), (536, 3727971), (559, 3574584), (603, 3313752), (676, 2955906), (684, 2921334), (702, 2846428), (741, 2696616), (774, 2581644), (804, 2485314), (817, 2445768), (871, 2294136), (936, 2134821), (988, 2022462), (1014, 1970604), (1026, 1947556), (1032, 1936233), (1118, 1787292), (1161, 1721096), (1206, 1656876), (1273, 1569672), (1352, 1477953), (1368, 1460667), (1404, 1423214), (1482, 1348308), (1521, 1313736), (1548, 1290822), (1608, 1242657), (1634, 1222884), (1677, 1191528), (1742, 1147068), (1809, 1104584), (1976, 1011231), (2028, 985302), (2052, 973778), (2223, 898872), (2236, 893646), (2322, 860548), (2412, 828438), (2451, 815256), (2546, 784836), (2613, 764712), (2808, 711607), (2881, 693576), (2964, 674154), (3042, 656868), (3096, 645411), (3211, 622296), (3268, 611442), (3354, 595764), (3484, 573534), (3618, 552292), (3819, 523224), (4056, 492651), (4104, 486889), (4446, 449436), (4472, 446823), (4563, 437912), (4644, 430274), (4824, 414219), (4902, 407628), (5031, 397176), (5092, 392418), (5226, 382356), (5762, 346788), (5928, 337077), (6084, 328434), (6422, 311148), (6536, 305721), (6669, 299624), (6708, 297882), (6968, 286767), (7236, 276146), (7267, 274968), (7353, 271752), (7638, 261612), (7839, 254904), (8643, 231192), (8892, 224718), (9126, 218956), (9288, 215137), (9633, 207432), (9804, 203814), (10062, 198588), (10184, 196209), (10452, 191178), (10621, 188136), (11323, 176472), (11457, 174408), (11524, 173394), (12168, 164217), (12844, 155574), (13338, 149812), (13416, 148941), (14472, 138073), (14534, 137484), (14706, 135876), (15093, 132392), (15276, 130806), (15678, 127452), (16549, 120744), (17286, 115596), (17784, 112359), (18252, 109478), (19266, 103716), (19608, 101907), (20124, 99294), (20904, 95589), (21242, 94068), (21801, 91656), (22059, 90584), (22646, 88236), (22914, 87204), (23048, 86697), (23517, 84968), (25688, 77787), (25929, 77064), (26676, 74906), (28899, 69144), (29068, 68742), (29412, 67938), (30186, 66196), (30552, 65403), (31356, 63726), (31863, 62712), (33098, 60372), (33969, 58824), (34371, 58136), (34572, 57798), (36504, 54739), (37453, 53352), (38532, 51858), (40248, 49647), (42484, 47034), (43602, 45828), (44118, 45292)]