668371284

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:168

約数の個数: 288

約数和(自身を含む): 2184806400

約数和(自身を除く): 1516435116

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 31, 36, 38, 42, 54, 57, 62, 63, 76, 79, 84, 93, 108, 114, 124, 126, 133, 158, 171, 186, 189, 217, 228, 237, 252, 266, 279, 316, 342, 361, 372, 378, 399, 434, 474, 513, 532, 553, 558, 589, 651, 684, 711, 722, 756, 798, 837, 868, 948, 1026, 1083, 1106, 1116, 1178, 1197, 1302, 1422, 1444, 1501, 1596, 1659, 1674, 1767, 1953, 2052, 2133, 2166, 2212, 2356, 2394, 2449, 2527, 2604, 2844, 3002, 3249, 3318, 3348, 3534, 3591, 3906, 4123, 4266, 4332, 4503, 4788, 4898, 4977, 5054, 5301, 5859, 6004, 6498, 6636, 7068, 7182, 7347, 7581, 7812, 8246, 8532, 9006, 9747, 9796, 9954, 10108, 10507, 10602, 11191, 11718, 12369, 12996, 13509, 14364, 14694, 14931, 15162, 15903, 16492, 17143, 18012, 19494, 19908, 21014, 21204, 22041, 22382, 22743, 23436, 24738, 27018, 28519, 29388, 29862, 30324, 31521, 31806, 33573, 34286, 37107, 38988, 40527, 42028, 44082, 44764, 45486, 46531, 49476, 51429, 54036, 57038, 59724, 63042, 63612, 66123, 67146, 68229, 68572, 74214, 78337, 81054, 85557, 88164, 90972, 93062, 94563, 100719, 102858, 111321, 114076, 126084, 132246, 134292, 136458, 139593, 148428, 154287, 156674, 162108, 171114, 186124, 189126, 199633, 201438, 205716, 222642, 235011, 256671, 264492, 272916, 279186, 283689, 302157, 308574, 313348, 325717, 342228, 378252, 399266, 402876, 418779, 445284, 462861, 470022, 513342, 558372, 567378, 598899, 604314, 617148, 651434, 705033, 770013, 798532, 837558, 884089, 925722, 940044, 977151, 1026684, 1134756, 1197798, 1208628, 1256337, 1302868, 1410066, 1540026, 1675116, 1768178, 1796697, 1851444, 1954302, 2115099, 2395596, 2512674, 2652267, 2820132, 2931453, 3080052, 3536356, 3593394, 3908604, 4230198, 5025348, 5304534, 5390091, 5862906, 6188623, 7186788, 7956801, 8460396, 8794359, 10609068, 10780182, 11725812, 12377246, 15913602, 17588718, 18565869, 21560364, 23870403, 24754492, 31827204, 35177436, 37131738, 47740806, 55697607, 74263476, 95481612, 111395214, 167092821, 222790428, 334185642, 668371284]

約数ペア:

[(1, 668371284), (2, 334185642), (3, 222790428), (4, 167092821), (6, 111395214), (7, 95481612), (9, 74263476), (12, 55697607), (14, 47740806), (18, 37131738), (19, 35177436), (21, 31827204), (27, 24754492), (28, 23870403), (31, 21560364), (36, 18565869), (38, 17588718), (42, 15913602), (54, 12377246), (57, 11725812), (62, 10780182), (63, 10609068), (76, 8794359), (79, 8460396), (84, 7956801), (93, 7186788), (108, 6188623), (114, 5862906), (124, 5390091), (126, 5304534), (133, 5025348), (158, 4230198), (171, 3908604), (186, 3593394), (189, 3536356), (217, 3080052), (228, 2931453), (237, 2820132), (252, 2652267), (266, 2512674), (279, 2395596), (316, 2115099), (342, 1954302), (361, 1851444), (372, 1796697), (378, 1768178), (399, 1675116), (434, 1540026), (474, 1410066), (513, 1302868), (532, 1256337), (553, 1208628), (558, 1197798), (589, 1134756), (651, 1026684), (684, 977151), (711, 940044), (722, 925722), (756, 884089), (798, 837558), (837, 798532), (868, 770013), (948, 705033), (1026, 651434), (1083, 617148), (1106, 604314), (1116, 598899), (1178, 567378), (1197, 558372), (1302, 513342), (1422, 470022), (1444, 462861), (1501, 445284), (1596, 418779), (1659, 402876), (1674, 399266), (1767, 378252), (1953, 342228), (2052, 325717), (2133, 313348), (2166, 308574), (2212, 302157), (2356, 283689), (2394, 279186), (2449, 272916), (2527, 264492), (2604, 256671), (2844, 235011), (3002, 222642), (3249, 205716), (3318, 201438), (3348, 199633), (3534, 189126), (3591, 186124), (3906, 171114), (4123, 162108), (4266, 156674), (4332, 154287), (4503, 148428), (4788, 139593), (4898, 136458), (4977, 134292), (5054, 132246), (5301, 126084), (5859, 114076), (6004, 111321), (6498, 102858), (6636, 100719), (7068, 94563), (7182, 93062), (7347, 90972), (7581, 88164), (7812, 85557), (8246, 81054), (8532, 78337), (9006, 74214), (9747, 68572), (9796, 68229), (9954, 67146), (10108, 66123), (10507, 63612), (10602, 63042), (11191, 59724), (11718, 57038), (12369, 54036), (12996, 51429), (13509, 49476), (14364, 46531), (14694, 45486), (14931, 44764), (15162, 44082), (15903, 42028), (16492, 40527), (17143, 38988), (18012, 37107), (19494, 34286), (19908, 33573), (21014, 31806), (21204, 31521), (22041, 30324), (22382, 29862), (22743, 29388), (23436, 28519), (24738, 27018)]