21265783680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{607}}^1$

素因数の和:957

約数の個数: 256

約数和(自身を含む): 69120552960

約数和(自身を除く): 47854769280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 71, 80, 96, 120, 128, 142, 160, 192, 213, 240, 257, 284, 320, 355, 384, 426, 480, 514, 568, 607, 640, 710, 771, 852, 960, 1028, 1065, 1136, 1214, 1285, 1420, 1542, 1704, 1821, 1920, 2056, 2130, 2272, 2428, 2570, 2840, 3035, 3084, 3408, 3642, 3855, 4112, 4260, 4544, 4856, 5140, 5680, 6070, 6168, 6816, 7284, 7710, 8224, 8520, 9088, 9105, 9712, 10280, 11360, 12140, 12336, 13632, 14568, 15420, 16448, 17040, 18210, 18247, 19424, 20560, 22720, 24280, 24672, 27264, 29136, 30840, 32896, 34080, 36420, 36494, 38848, 41120, 43097, 45440, 48560, 49344, 54741, 58272, 61680, 68160, 72840, 72988, 77696, 82240, 86194, 91235, 97120, 98688, 109482, 116544, 123360, 129291, 136320, 145680, 145976, 155999, 164480, 172388, 182470, 194240, 215485, 218964, 233088, 246720, 258582, 273705, 291360, 291952, 311998, 344776, 364940, 388480, 430970, 437928, 467997, 493440, 517164, 547410, 582720, 583904, 623996, 646455, 689552, 729880, 779995, 861940, 875856, 935994, 1034328, 1094820, 1165440, 1167808, 1247992, 1292910, 1379104, 1459760, 1559990, 1723880, 1751712, 1871988, 2068656, 2189640, 2335616, 2339985, 2495984, 2585820, 2758208, 2919520, 3119980, 3447760, 3503424, 3743976, 4137312, 4379280, 4679970, 4991968, 5171640, 5516416, 5839040, 6239960, 6895520, 7006848, 7487952, 8274624, 8758560, 9359940, 9983936, 10343280, 11075929, 11678080, 12479920, 13791040, 14975904, 16549248, 17517120, 18719880, 19967872, 20686560, 22151858, 24959840, 27582080, 29951808, 33227787, 35034240, 37439760, 41373120, 44303716, 49919680, 55379645, 59903616, 66455574, 74879520, 82746240, 88607432, 99839360, 110759290, 132911148, 149759040, 166138935, 177214864, 221518580, 265822296, 299518080, 332277870, 354429728, 443037160, 531644592, 664555740, 708859456, 886074320, 1063289184, 1329111480, 1417718912, 1772148640, 2126578368, 2658222960, 3544297280, 4253156736, 5316445920, 7088594560, 10632891840, 21265783680]

約数ペア:

[(1, 21265783680), (2, 10632891840), (3, 7088594560), (4, 5316445920), (5, 4253156736), (6, 3544297280), (8, 2658222960), (10, 2126578368), (12, 1772148640), (15, 1417718912), (16, 1329111480), (20, 1063289184), (24, 886074320), (30, 708859456), (32, 664555740), (40, 531644592), (48, 443037160), (60, 354429728), (64, 332277870), (71, 299518080), (80, 265822296), (96, 221518580), (120, 177214864), (128, 166138935), (142, 149759040), (160, 132911148), (192, 110759290), (213, 99839360), (240, 88607432), (257, 82746240), (284, 74879520), (320, 66455574), (355, 59903616), (384, 55379645), (426, 49919680), (480, 44303716), (514, 41373120), (568, 37439760), (607, 35034240), (640, 33227787), (710, 29951808), (771, 27582080), (852, 24959840), (960, 22151858), (1028, 20686560), (1065, 19967872), (1136, 18719880), (1214, 17517120), (1285, 16549248), (1420, 14975904), (1542, 13791040), (1704, 12479920), (1821, 11678080), (1920, 11075929), (2056, 10343280), (2130, 9983936), (2272, 9359940), (2428, 8758560), (2570, 8274624), (2840, 7487952), (3035, 7006848), (3084, 6895520), (3408, 6239960), (3642, 5839040), (3855, 5516416), (4112, 5171640), (4260, 4991968), (4544, 4679970), (4856, 4379280), (5140, 4137312), (5680, 3743976), (6070, 3503424), (6168, 3447760), (6816, 3119980), (7284, 2919520), (7710, 2758208), (8224, 2585820), (8520, 2495984), (9088, 2339985), (9105, 2335616), (9712, 2189640), (10280, 2068656), (11360, 1871988), (12140, 1751712), (12336, 1723880), (13632, 1559990), (14568, 1459760), (15420, 1379104), (16448, 1292910), (17040, 1247992), (18210, 1167808), (18247, 1165440), (19424, 1094820), (20560, 1034328), (22720, 935994), (24280, 875856), (24672, 861940), (27264, 779995), (29136, 729880), (30840, 689552), (32896, 646455), (34080, 623996), (36420, 583904), (36494, 582720), (38848, 547410), (41120, 517164), (43097, 493440), (45440, 467997), (48560, 437928), (49344, 430970), (54741, 388480), (58272, 364940), (61680, 344776), (68160, 311998), (72840, 291952), (72988, 291360), (77696, 273705), (82240, 258582), (86194, 246720), (91235, 233088), (97120, 218964), (98688, 215485), (109482, 194240), (116544, 182470), (123360, 172388), (129291, 164480), (136320, 155999), (145680, 145976)]