21331509120

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127703}}^1$

素因数の和:127757

約数の個数: 192

約数和(自身を含む): 76200976800

約数和(自身を除く): 54869467680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 64, 72, 80, 87, 90, 96, 116, 120, 128, 144, 145, 160, 174, 180, 192, 232, 240, 261, 288, 290, 320, 348, 360, 384, 435, 464, 480, 522, 576, 580, 640, 696, 720, 870, 928, 960, 1044, 1152, 1160, 1305, 1392, 1440, 1740, 1856, 1920, 2088, 2320, 2610, 2784, 2880, 3480, 3712, 4176, 4640, 5220, 5568, 5760, 6960, 8352, 9280, 10440, 11136, 13920, 16704, 18560, 20880, 27840, 33408, 41760, 55680, 83520, 127703, 167040, 255406, 383109, 510812, 638515, 766218, 1021624, 1149327, 1277030, 1532436, 1915545, 2043248, 2298654, 2554060, 3064872, 3703387, 3831090, 4086496, 4597308, 5108120, 5746635, 6129744, 7406774, 7662180, 8172992, 9194616, 10216240, 11110161, 11493270, 12259488, 14813548, 15324360, 16345984, 18389232, 18516935, 20432480, 22220322, 22986540, 24518976, 29627096, 30648720, 33330483, 36778464, 37033870, 40864960, 44440644, 45973080, 49037952, 55550805, 59254192, 61297440, 66660966, 73556928, 74067740, 81729920, 88881288, 91946160, 111101610, 118508384, 122594880, 133321932, 147113856, 148135480, 166652415, 177762576, 183892320, 222203220, 237016768, 245189760, 266643864, 296270960, 333304830, 355525152, 367784640, 444406440, 474033536, 533287728, 592541920, 666609660, 711050304, 735569280, 888812880, 1066575456, 1185083840, 1333219320, 1422100608, 1777625760, 2133150912, 2370167680, 2666438640, 3555251520, 4266301824, 5332877280, 7110503040, 10665754560, 21331509120]

約数ペア:

[(1, 21331509120), (2, 10665754560), (3, 7110503040), (4, 5332877280), (5, 4266301824), (6, 3555251520), (8, 2666438640), (9, 2370167680), (10, 2133150912), (12, 1777625760), (15, 1422100608), (16, 1333219320), (18, 1185083840), (20, 1066575456), (24, 888812880), (29, 735569280), (30, 711050304), (32, 666609660), (36, 592541920), (40, 533287728), (45, 474033536), (48, 444406440), (58, 367784640), (60, 355525152), (64, 333304830), (72, 296270960), (80, 266643864), (87, 245189760), (90, 237016768), (96, 222203220), (116, 183892320), (120, 177762576), (128, 166652415), (144, 148135480), (145, 147113856), (160, 133321932), (174, 122594880), (180, 118508384), (192, 111101610), (232, 91946160), (240, 88881288), (261, 81729920), (288, 74067740), (290, 73556928), (320, 66660966), (348, 61297440), (360, 59254192), (384, 55550805), (435, 49037952), (464, 45973080), (480, 44440644), (522, 40864960), (576, 37033870), (580, 36778464), (640, 33330483), (696, 30648720), (720, 29627096), (870, 24518976), (928, 22986540), (960, 22220322), (1044, 20432480), (1152, 18516935), (1160, 18389232), (1305, 16345984), (1392, 15324360), (1440, 14813548), (1740, 12259488), (1856, 11493270), (1920, 11110161), (2088, 10216240), (2320, 9194616), (2610, 8172992), (2784, 7662180), (2880, 7406774), (3480, 6129744), (3712, 5746635), (4176, 5108120), (4640, 4597308), (5220, 4086496), (5568, 3831090), (5760, 3703387), (6960, 3064872), (8352, 2554060), (9280, 2298654), (10440, 2043248), (11136, 1915545), (13920, 1532436), (16704, 1277030), (18560, 1149327), (20880, 1021624), (27840, 766218), (33408, 638515), (41760, 510812), (55680, 383109), (83520, 255406), (127703, 167040)]