641007864

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:515

約数の個数: 256

約数和(自身を含む): 2187648000

約数和(自身を除く): 1546640136

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 27, 28, 36, 38, 42, 53, 54, 56, 57, 63, 72, 76, 84, 106, 108, 114, 126, 133, 152, 159, 168, 171, 189, 212, 216, 228, 252, 266, 318, 342, 371, 378, 399, 421, 424, 456, 477, 504, 513, 532, 636, 684, 742, 756, 798, 842, 954, 1007, 1026, 1064, 1113, 1197, 1263, 1272, 1368, 1431, 1484, 1512, 1596, 1684, 1908, 2014, 2052, 2226, 2394, 2526, 2862, 2947, 2968, 3021, 3192, 3339, 3368, 3591, 3789, 3816, 4028, 4104, 4452, 4788, 5052, 5724, 5894, 6042, 6678, 7049, 7182, 7578, 7999, 8056, 8841, 8904, 9063, 9576, 10017, 10104, 11367, 11448, 11788, 12084, 13356, 14098, 14364, 15156, 15998, 17682, 18126, 20034, 21147, 22313, 22734, 23576, 23997, 24168, 26523, 26712, 27189, 28196, 28728, 30312, 31996, 35364, 36252, 40068, 42294, 44626, 45468, 47994, 53046, 54378, 55993, 56392, 63441, 63992, 66939, 70728, 71991, 72504, 79569, 80136, 84588, 89252, 90936, 95988, 106092, 108756, 111986, 126882, 133878, 143982, 156191, 159138, 167979, 169176, 178504, 190323, 191976, 200817, 212184, 215973, 217512, 223972, 253764, 267756, 287964, 312382, 318276, 335958, 380646, 401634, 423947, 431946, 447944, 468573, 503937, 507528, 535512, 575928, 602451, 624764, 636552, 671916, 761292, 803268, 847894, 863892, 937146, 1007874, 1204902, 1249528, 1271841, 1343832, 1405719, 1511811, 1522584, 1606536, 1695788, 1727784, 1874292, 2015748, 2409804, 2543682, 2811438, 2967629, 3023622, 3391576, 3748584, 3815523, 4031496, 4217157, 4819608, 5087364, 5622876, 5935258, 6047244, 7631046, 8434314, 8902887, 10174728, 11245752, 11446569, 11870516, 12094488, 15262092, 16868628, 17805774, 22893138, 23741032, 26708661, 30524184, 33737256, 35611548, 45786276, 53417322, 71223096, 80125983, 91572552, 106834644, 160251966, 213669288, 320503932, 641007864]

約数ペア:

[(1, 641007864), (2, 320503932), (3, 213669288), (4, 160251966), (6, 106834644), (7, 91572552), (8, 80125983), (9, 71223096), (12, 53417322), (14, 45786276), (18, 35611548), (19, 33737256), (21, 30524184), (24, 26708661), (27, 23741032), (28, 22893138), (36, 17805774), (38, 16868628), (42, 15262092), (53, 12094488), (54, 11870516), (56, 11446569), (57, 11245752), (63, 10174728), (72, 8902887), (76, 8434314), (84, 7631046), (106, 6047244), (108, 5935258), (114, 5622876), (126, 5087364), (133, 4819608), (152, 4217157), (159, 4031496), (168, 3815523), (171, 3748584), (189, 3391576), (212, 3023622), (216, 2967629), (228, 2811438), (252, 2543682), (266, 2409804), (318, 2015748), (342, 1874292), (371, 1727784), (378, 1695788), (399, 1606536), (421, 1522584), (424, 1511811), (456, 1405719), (477, 1343832), (504, 1271841), (513, 1249528), (532, 1204902), (636, 1007874), (684, 937146), (742, 863892), (756, 847894), (798, 803268), (842, 761292), (954, 671916), (1007, 636552), (1026, 624764), (1064, 602451), (1113, 575928), (1197, 535512), (1263, 507528), (1272, 503937), (1368, 468573), (1431, 447944), (1484, 431946), (1512, 423947), (1596, 401634), (1684, 380646), (1908, 335958), (2014, 318276), (2052, 312382), (2226, 287964), (2394, 267756), (2526, 253764), (2862, 223972), (2947, 217512), (2968, 215973), (3021, 212184), (3192, 200817), (3339, 191976), (3368, 190323), (3591, 178504), (3789, 169176), (3816, 167979), (4028, 159138), (4104, 156191), (4452, 143982), (4788, 133878), (5052, 126882), (5724, 111986), (5894, 108756), (6042, 106092), (6678, 95988), (7049, 90936), (7182, 89252), (7578, 84588), (7999, 80136), (8056, 79569), (8841, 72504), (8904, 71991), (9063, 70728), (9576, 66939), (10017, 63992), (10104, 63441), (11367, 56392), (11448, 55993), (11788, 54378), (12084, 53046), (13356, 47994), (14098, 45468), (14364, 44626), (15156, 42294), (15998, 40068), (17682, 36252), (18126, 35364), (20034, 31996), (21147, 30312), (22313, 28728), (22734, 28196), (23576, 27189), (23997, 26712), (24168, 26523)]