686813712

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:345

約数の個数: 160

約数和(自身を含む): 1968624000

約数和(自身を除く): 1281810288

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 83, 89, 104, 149, 156, 166, 178, 208, 249, 267, 298, 312, 332, 356, 447, 498, 534, 596, 624, 664, 712, 894, 996, 1068, 1079, 1157, 1192, 1328, 1424, 1788, 1937, 1992, 2136, 2158, 2314, 2384, 3237, 3471, 3576, 3874, 3984, 4272, 4316, 4628, 5811, 6474, 6942, 7152, 7387, 7748, 8632, 9256, 11622, 12367, 12948, 13261, 13884, 14774, 15496, 17264, 18512, 22161, 23244, 24734, 25896, 26522, 27768, 29548, 30992, 37101, 39783, 44322, 46488, 49468, 51792, 53044, 55536, 59096, 74202, 79566, 88644, 92976, 96031, 98936, 106088, 118192, 148404, 159132, 160771, 172393, 177288, 192062, 197872, 212176, 288093, 296808, 318264, 321542, 344786, 354576, 384124, 482313, 517179, 576186, 593616, 636528, 643084, 689572, 768248, 964626, 1034358, 1100663, 1152372, 1286168, 1379144, 1536496, 1929252, 2068716, 2201326, 2304744, 2572336, 2758288, 3301989, 3858504, 4137432, 4402652, 4609488, 6603978, 7717008, 8274864, 8805304, 13207956, 14308619, 17610608, 26415912, 28617238, 42925857, 52831824, 57234476, 85851714, 114468952, 171703428, 228937904, 343406856, 686813712]

約数ペア:

[(1, 686813712), (2, 343406856), (3, 228937904), (4, 171703428), (6, 114468952), (8, 85851714), (12, 57234476), (13, 52831824), (16, 42925857), (24, 28617238), (26, 26415912), (39, 17610608), (48, 14308619), (52, 13207956), (78, 8805304), (83, 8274864), (89, 7717008), (104, 6603978), (149, 4609488), (156, 4402652), (166, 4137432), (178, 3858504), (208, 3301989), (249, 2758288), (267, 2572336), (298, 2304744), (312, 2201326), (332, 2068716), (356, 1929252), (447, 1536496), (498, 1379144), (534, 1286168), (596, 1152372), (624, 1100663), (664, 1034358), (712, 964626), (894, 768248), (996, 689572), (1068, 643084), (1079, 636528), (1157, 593616), (1192, 576186), (1328, 517179), (1424, 482313), (1788, 384124), (1937, 354576), (1992, 344786), (2136, 321542), (2158, 318264), (2314, 296808), (2384, 288093), (3237, 212176), (3471, 197872), (3576, 192062), (3874, 177288), (3984, 172393), (4272, 160771), (4316, 159132), (4628, 148404), (5811, 118192), (6474, 106088), (6942, 98936), (7152, 96031), (7387, 92976), (7748, 88644), (8632, 79566), (9256, 74202), (11622, 59096), (12367, 55536), (12948, 53044), (13261, 51792), (13884, 49468), (14774, 46488), (15496, 44322), (17264, 39783), (18512, 37101), (22161, 30992), (23244, 29548), (24734, 27768), (25896, 26522)]