420001920

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:188

約数の個数: 384

約数和(自身を含む): 1603929600

約数和(自身を除く): 1183927680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 71, 72, 78, 79, 80, 90, 96, 104, 117, 120, 128, 130, 142, 144, 156, 158, 160, 180, 192, 195, 208, 213, 234, 237, 240, 260, 284, 288, 312, 316, 320, 355, 360, 384, 390, 395, 416, 426, 468, 474, 480, 520, 568, 576, 585, 624, 632, 639, 640, 710, 711, 720, 780, 790, 832, 852, 923, 936, 948, 960, 1027, 1040, 1065, 1136, 1152, 1170, 1185, 1248, 1264, 1278, 1420, 1422, 1440, 1560, 1580, 1664, 1704, 1846, 1872, 1896, 1920, 2054, 2080, 2130, 2272, 2340, 2370, 2496, 2528, 2556, 2769, 2840, 2844, 2880, 3081, 3120, 3160, 3195, 3408, 3555, 3692, 3744, 3792, 4108, 4160, 4260, 4544, 4615, 4680, 4740, 4992, 5056, 5112, 5135, 5538, 5609, 5680, 5688, 5760, 6162, 6240, 6320, 6390, 6816, 7110, 7384, 7488, 7584, 8216, 8307, 8320, 8520, 9088, 9230, 9243, 9360, 9480, 10112, 10224, 10270, 11076, 11218, 11360, 11376, 12324, 12480, 12640, 12780, 13632, 13845, 14220, 14768, 14976, 15168, 15405, 16432, 16614, 16827, 17040, 18460, 18486, 18720, 18960, 20448, 20540, 22152, 22436, 22720, 22752, 24648, 24960, 25280, 25560, 27264, 27690, 28045, 28440, 29536, 30336, 30810, 32864, 33228, 33654, 34080, 36920, 36972, 37440, 37920, 40896, 41080, 41535, 44304, 44872, 45440, 45504, 46215, 49296, 50481, 50560, 51120, 55380, 56090, 56880, 59072, 61620, 65728, 66456, 67308, 68160, 72917, 73840, 73944, 74880, 75840, 81792, 82160, 83070, 84135, 88608, 89744, 91008, 92430, 98592, 100962, 102240, 110760, 112180, 113760, 118144, 123240, 131456, 132912, 134616, 136320, 145834, 147680, 147888, 151680, 164320, 166140, 168270, 177216, 179488, 184860, 197184, 201924, 204480, 218751, 221520, 224360, 227520, 246480, 252405, 265824, 269232, 291668, 295360, 295776, 328640, 332280, 336540, 354432, 358976, 364585, 369720, 394368, 403848, 408960, 437502, 443040, 448720, 455040, 492960, 504810, 531648, 538464, 583336, 590720, 591552, 656253, 657280, 664560, 673080, 717952, 729170, 739440, 807696, 875004, 886080, 897440, 985920, 1009620, 1063296, 1076928, 1093755, 1166672, 1183104, 1312506, 1329120, 1346160, 1458340, 1478880, 1615392, 1750008, 1772160, 1794880, 1971840, 2019240, 2153856, 2187510, 2333344, 2625012, 2658240, 2692320, 2916680, 2957760, 3230784, 3281265, 3500016, 3589760, 4038480, 4375020, 4666688, 5250024, 5316480, 5384640, 5833360, 5915520, 6461568, 6562530, 7000032, 8076960, 8750040, 9333376, 10500048, 10769280, 11666720, 13125060, 14000064, 16153920, 17500080, 21000096, 23333440, 26250120, 28000128, 32307840, 35000160, 42000192, 46666880, 52500240, 70000320, 84000384, 105000480, 140000640, 210000960, 420001920]

約数ペア:

[(1, 420001920), (2, 210000960), (3, 140000640), (4, 105000480), (5, 84000384), (6, 70000320), (8, 52500240), (9, 46666880), (10, 42000192), (12, 35000160), (13, 32307840), (15, 28000128), (16, 26250120), (18, 23333440), (20, 21000096), (24, 17500080), (26, 16153920), (30, 14000064), (32, 13125060), (36, 11666720), (39, 10769280), (40, 10500048), (45, 9333376), (48, 8750040), (52, 8076960), (60, 7000032), (64, 6562530), (65, 6461568), (71, 5915520), (72, 5833360), (78, 5384640), (79, 5316480), (80, 5250024), (90, 4666688), (96, 4375020), (104, 4038480), (117, 3589760), (120, 3500016), (128, 3281265), (130, 3230784), (142, 2957760), (144, 2916680), (156, 2692320), (158, 2658240), (160, 2625012), (180, 2333344), (192, 2187510), (195, 2153856), (208, 2019240), (213, 1971840), (234, 1794880), (237, 1772160), (240, 1750008), (260, 1615392), (284, 1478880), (288, 1458340), (312, 1346160), (316, 1329120), (320, 1312506), (355, 1183104), (360, 1166672), (384, 1093755), (390, 1076928), (395, 1063296), (416, 1009620), (426, 985920), (468, 897440), (474, 886080), (480, 875004), (520, 807696), (568, 739440), (576, 729170), (585, 717952), (624, 673080), (632, 664560), (639, 657280), (640, 656253), (710, 591552), (711, 590720), (720, 583336), (780, 538464), (790, 531648), (832, 504810), (852, 492960), (923, 455040), (936, 448720), (948, 443040), (960, 437502), (1027, 408960), (1040, 403848), (1065, 394368), (1136, 369720), (1152, 364585), (1170, 358976), (1185, 354432), (1248, 336540), (1264, 332280), (1278, 328640), (1420, 295776), (1422, 295360), (1440, 291668), (1560, 269232), (1580, 265824), (1664, 252405), (1704, 246480), (1846, 227520), (1872, 224360), (1896, 221520), (1920, 218751), (2054, 204480), (2080, 201924), (2130, 197184), (2272, 184860), (2340, 179488), (2370, 177216), (2496, 168270), (2528, 166140), (2556, 164320), (2769, 151680), (2840, 147888), (2844, 147680), (2880, 145834), (3081, 136320), (3120, 134616), (3160, 132912), (3195, 131456), (3408, 123240), (3555, 118144), (3692, 113760), (3744, 112180), (3792, 110760), (4108, 102240), (4160, 100962), (4260, 98592), (4544, 92430), (4615, 91008), (4680, 89744), (4740, 88608), (4992, 84135), (5056, 83070), (5112, 82160), (5135, 81792), (5538, 75840), (5609, 74880), (5680, 73944), (5688, 73840), (5760, 72917), (6162, 68160), (6240, 67308), (6320, 66456), (6390, 65728), (6816, 61620), (7110, 59072), (7384, 56880), (7488, 56090), (7584, 55380), (8216, 51120), (8307, 50560), (8320, 50481), (8520, 49296), (9088, 46215), (9230, 45504), (9243, 45440), (9360, 44872), (9480, 44304), (10112, 41535), (10224, 41080), (10270, 40896), (11076, 37920), (11218, 37440), (11360, 36972), (11376, 36920), (12324, 34080), (12480, 33654), (12640, 33228), (12780, 32864), (13632, 30810), (13845, 30336), (14220, 29536), (14768, 28440), (14976, 28045), (15168, 27690), (15405, 27264), (16432, 25560), (16614, 25280), (16827, 24960), (17040, 24648), (18460, 22752), (18486, 22720), (18720, 22436), (18960, 22152), (20448, 20540)]