12920707072

素因数分解:

$2^{11}\times 7^1\times {\mathrm{13}}^2\times {\mathrm{5333}}^1$

素因数の和:5388

約数の個数: 144

約数和(自身を含む): 31977756720

約数和(自身を除く): 19057049648

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 169, 182, 208, 224, 256, 338, 364, 416, 448, 512, 676, 728, 832, 896, 1024, 1183, 1352, 1456, 1664, 1792, 2048, 2366, 2704, 2912, 3328, 3584, 4732, 5333, 5408, 5824, 6656, 7168, 9464, 10666, 10816, 11648, 13312, 14336, 18928, 21332, 21632, 23296, 26624, 37331, 37856, 42664, 43264, 46592, 69329, 74662, 75712, 85328, 86528, 93184, 138658, 149324, 151424, 170656, 173056, 186368, 277316, 298648, 302848, 341312, 346112, 485303, 554632, 597296, 605696, 682624, 901277, 970606, 1109264, 1194592, 1211392, 1365248, 1802554, 1941212, 2218528, 2389184, 2422784, 2730496, 3605108, 3882424, 4437056, 4778368, 5460992, 6308939, 7210216, 7764848, 8874112, 9556736, 10921984, 12617878, 14420432, 15529696, 17748224, 19113472, 25235756, 28840864, 31059392, 35496448, 38226944, 50471512, 57681728, 62118784, 70992896, 76453888, 100943024, 115363456, 124237568, 141985792, 201886048, 230726912, 248475136, 403772096, 461453824, 496950272, 807544192, 922907648, 993900544, 1615088384, 1845815296, 3230176768, 6460353536, 12920707072]

約数ペア:

[(1, 12920707072), (2, 6460353536), (4, 3230176768), (7, 1845815296), (8, 1615088384), (13, 993900544), (14, 922907648), (16, 807544192), (26, 496950272), (28, 461453824), (32, 403772096), (52, 248475136), (56, 230726912), (64, 201886048), (91, 141985792), (104, 124237568), (112, 115363456), (128, 100943024), (169, 76453888), (182, 70992896), (208, 62118784), (224, 57681728), (256, 50471512), (338, 38226944), (364, 35496448), (416, 31059392), (448, 28840864), (512, 25235756), (676, 19113472), (728, 17748224), (832, 15529696), (896, 14420432), (1024, 12617878), (1183, 10921984), (1352, 9556736), (1456, 8874112), (1664, 7764848), (1792, 7210216), (2048, 6308939), (2366, 5460992), (2704, 4778368), (2912, 4437056), (3328, 3882424), (3584, 3605108), (4732, 2730496), (5333, 2422784), (5408, 2389184), (5824, 2218528), (6656, 1941212), (7168, 1802554), (9464, 1365248), (10666, 1211392), (10816, 1194592), (11648, 1109264), (13312, 970606), (14336, 901277), (18928, 682624), (21332, 605696), (21632, 597296), (23296, 554632), (26624, 485303), (37331, 346112), (37856, 341312), (42664, 302848), (43264, 298648), (46592, 277316), (69329, 186368), (74662, 173056), (75712, 170656), (85328, 151424), (86528, 149324), (93184, 138658)]