668387776

素因数分解:

$2^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:235

約数の個数: 224

約数和(自身を含む): 1755648000

約数和(自身を除く): 1087260224

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 31, 32, 34, 38, 56, 62, 64, 68, 76, 112, 119, 124, 133, 136, 149, 152, 217, 224, 238, 248, 266, 272, 298, 304, 323, 434, 448, 476, 496, 527, 532, 544, 589, 596, 608, 646, 868, 952, 992, 1043, 1054, 1064, 1088, 1178, 1192, 1216, 1292, 1736, 1904, 1984, 2086, 2108, 2128, 2261, 2356, 2384, 2533, 2584, 2831, 3472, 3689, 3808, 4123, 4172, 4216, 4256, 4522, 4619, 4712, 4768, 5066, 5168, 5662, 6944, 7378, 7616, 8246, 8344, 8432, 8512, 9044, 9238, 9424, 9536, 10013, 10132, 10336, 11324, 13888, 14756, 16492, 16688, 16864, 17731, 18088, 18476, 18848, 19817, 20026, 20264, 20672, 22648, 29512, 32333, 32984, 33376, 33728, 35462, 36176, 36952, 37696, 39634, 40052, 40528, 45296, 48127, 59024, 64666, 65968, 66752, 70091, 70924, 72352, 73904, 78523, 79268, 80104, 81056, 87761, 90592, 96254, 118048, 129332, 131936, 140182, 141848, 144704, 147808, 157046, 158536, 160208, 162112, 175522, 181184, 192508, 236096, 258664, 263872, 280364, 283696, 295616, 314092, 317072, 320416, 336889, 351044, 385016, 517328, 549661, 560728, 567392, 614327, 628184, 634144, 640832, 673778, 702088, 770032, 1034656, 1099322, 1121456, 1134784, 1228654, 1256368, 1268288, 1347556, 1404176, 1491937, 1540064, 2069312, 2198644, 2242912, 2457308, 2512736, 2695112, 2808352, 2983874, 3080128, 4397288, 4485824, 4914616, 5025472, 5390224, 5616704, 5967748, 8794576, 9829232, 10443559, 10780448, 11935496, 17589152, 19658464, 20887118, 21560896, 23870992, 35178304, 39316928, 41774236, 47741984, 83548472, 95483968, 167096944, 334193888, 668387776]

約数ペア:

[(1, 668387776), (2, 334193888), (4, 167096944), (7, 95483968), (8, 83548472), (14, 47741984), (16, 41774236), (17, 39316928), (19, 35178304), (28, 23870992), (31, 21560896), (32, 20887118), (34, 19658464), (38, 17589152), (56, 11935496), (62, 10780448), (64, 10443559), (68, 9829232), (76, 8794576), (112, 5967748), (119, 5616704), (124, 5390224), (133, 5025472), (136, 4914616), (149, 4485824), (152, 4397288), (217, 3080128), (224, 2983874), (238, 2808352), (248, 2695112), (266, 2512736), (272, 2457308), (298, 2242912), (304, 2198644), (323, 2069312), (434, 1540064), (448, 1491937), (476, 1404176), (496, 1347556), (527, 1268288), (532, 1256368), (544, 1228654), (589, 1134784), (596, 1121456), (608, 1099322), (646, 1034656), (868, 770032), (952, 702088), (992, 673778), (1043, 640832), (1054, 634144), (1064, 628184), (1088, 614327), (1178, 567392), (1192, 560728), (1216, 549661), (1292, 517328), (1736, 385016), (1904, 351044), (1984, 336889), (2086, 320416), (2108, 317072), (2128, 314092), (2261, 295616), (2356, 283696), (2384, 280364), (2533, 263872), (2584, 258664), (2831, 236096), (3472, 192508), (3689, 181184), (3808, 175522), (4123, 162112), (4172, 160208), (4216, 158536), (4256, 157046), (4522, 147808), (4619, 144704), (4712, 141848), (4768, 140182), (5066, 131936), (5168, 129332), (5662, 118048), (6944, 96254), (7378, 90592), (7616, 87761), (8246, 81056), (8344, 80104), (8432, 79268), (8512, 78523), (9044, 73904), (9238, 72352), (9424, 70924), (9536, 70091), (10013, 66752), (10132, 65968), (10336, 64666), (11324, 59024), (13888, 48127), (14756, 45296), (16492, 40528), (16688, 40052), (16864, 39634), (17731, 37696), (18088, 36952), (18476, 36176), (18848, 35462), (19817, 33728), (20026, 33376), (20264, 32984), (20672, 32333), (22648, 29512)]