820121120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:168

約数の個数: 384

約数和(自身を含む): 2601123840

約数和(自身を除く): 1781002720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 26, 28, 31, 32, 35, 40, 46, 52, 56, 62, 65, 70, 79, 80, 91, 92, 104, 112, 115, 124, 130, 140, 155, 158, 160, 161, 182, 184, 208, 217, 224, 230, 248, 260, 280, 299, 310, 316, 322, 364, 368, 395, 403, 416, 434, 455, 460, 496, 520, 553, 560, 598, 620, 632, 644, 713, 728, 736, 790, 805, 806, 868, 910, 920, 992, 1027, 1040, 1085, 1106, 1120, 1196, 1240, 1264, 1288, 1426, 1456, 1495, 1580, 1610, 1612, 1736, 1817, 1820, 1840, 2015, 2054, 2080, 2093, 2170, 2212, 2392, 2449, 2480, 2528, 2576, 2765, 2821, 2852, 2912, 2990, 3160, 3220, 3224, 3472, 3565, 3634, 3640, 3680, 4030, 4108, 4186, 4340, 4424, 4784, 4898, 4960, 4991, 5135, 5152, 5530, 5642, 5704, 5980, 6320, 6440, 6448, 6944, 7130, 7189, 7268, 7280, 8060, 8216, 8372, 8680, 8848, 9085, 9269, 9568, 9796, 9982, 10270, 10465, 11060, 11284, 11408, 11960, 12245, 12640, 12719, 12880, 12896, 14105, 14260, 14378, 14536, 14560, 16120, 16432, 16744, 17143, 17360, 17696, 18170, 18538, 19592, 19964, 20540, 20930, 22120, 22568, 22816, 23621, 23920, 24490, 24955, 25438, 25760, 28210, 28520, 28756, 29072, 31837, 32240, 32864, 33488, 34286, 34720, 35945, 36340, 37076, 39184, 39928, 41080, 41860, 44240, 45136, 46345, 47242, 47840, 48980, 49910, 50876, 56327, 56420, 57040, 57512, 58144, 63595, 63674, 64480, 64883, 66976, 68572, 71890, 72680, 74152, 78368, 79856, 82160, 83720, 85715, 88480, 90272, 92690, 94484, 97960, 99820, 101752, 112654, 112840, 114080, 115024, 118105, 127190, 127348, 129766, 137144, 143780, 145360, 148304, 159185, 159712, 164320, 165347, 167440, 171430, 185380, 188968, 195920, 199640, 203504, 222859, 225308, 225680, 230048, 236210, 254380, 254696, 259532, 274288, 281635, 287560, 290720, 296608, 318370, 324415, 330694, 334880, 342860, 370760, 377936, 391840, 394289, 399280, 407008, 445718, 450616, 451360, 472420, 508760, 509392, 519064, 548576, 563270, 575120, 636740, 648830, 661388, 685720, 732251, 741520, 755872, 788578, 798560, 826735, 891436, 901232, 944840, 1017520, 1018784, 1038128, 1114295, 1126540, 1150240, 1273480, 1297660, 1322776, 1371440, 1464502, 1483040, 1577156, 1653470, 1782872, 1802464, 1889680, 1971445, 2035040, 2076256, 2228590, 2253080, 2546960, 2595320, 2645552, 2742880, 2929004, 3154312, 3306940, 3565744, 3661255, 3779360, 3942890, 4457180, 4506160, 5093920, 5125757, 5190640, 5291104, 5858008, 6308624, 6613880, 7131488, 7322510, 7885780, 8914360, 9012320, 10251514, 10381280, 11716016, 12617248, 13227760, 14645020, 15771560, 17828720, 20503028, 23432032, 25628785, 26455520, 29290040, 31543120, 35657440, 41006056, 51257570, 58580080, 63086240, 82012112, 102515140, 117160160, 164024224, 205030280, 410060560, 820121120]

約数ペア:

[(1, 820121120), (2, 410060560), (4, 205030280), (5, 164024224), (7, 117160160), (8, 102515140), (10, 82012112), (13, 63086240), (14, 58580080), (16, 51257570), (20, 41006056), (23, 35657440), (26, 31543120), (28, 29290040), (31, 26455520), (32, 25628785), (35, 23432032), (40, 20503028), (46, 17828720), (52, 15771560), (56, 14645020), (62, 13227760), (65, 12617248), (70, 11716016), (79, 10381280), (80, 10251514), (91, 9012320), (92, 8914360), (104, 7885780), (112, 7322510), (115, 7131488), (124, 6613880), (130, 6308624), (140, 5858008), (155, 5291104), (158, 5190640), (160, 5125757), (161, 5093920), (182, 4506160), (184, 4457180), (208, 3942890), (217, 3779360), (224, 3661255), (230, 3565744), (248, 3306940), (260, 3154312), (280, 2929004), (299, 2742880), (310, 2645552), (316, 2595320), (322, 2546960), (364, 2253080), (368, 2228590), (395, 2076256), (403, 2035040), (416, 1971445), (434, 1889680), (455, 1802464), (460, 1782872), (496, 1653470), (520, 1577156), (553, 1483040), (560, 1464502), (598, 1371440), (620, 1322776), (632, 1297660), (644, 1273480), (713, 1150240), (728, 1126540), (736, 1114295), (790, 1038128), (805, 1018784), (806, 1017520), (868, 944840), (910, 901232), (920, 891436), (992, 826735), (1027, 798560), (1040, 788578), (1085, 755872), (1106, 741520), (1120, 732251), (1196, 685720), (1240, 661388), (1264, 648830), (1288, 636740), (1426, 575120), (1456, 563270), (1495, 548576), (1580, 519064), (1610, 509392), (1612, 508760), (1736, 472420), (1817, 451360), (1820, 450616), (1840, 445718), (2015, 407008), (2054, 399280), (2080, 394289), (2093, 391840), (2170, 377936), (2212, 370760), (2392, 342860), (2449, 334880), (2480, 330694), (2528, 324415), (2576, 318370), (2765, 296608), (2821, 290720), (2852, 287560), (2912, 281635), (2990, 274288), (3160, 259532), (3220, 254696), (3224, 254380), (3472, 236210), (3565, 230048), (3634, 225680), (3640, 225308), (3680, 222859), (4030, 203504), (4108, 199640), (4186, 195920), (4340, 188968), (4424, 185380), (4784, 171430), (4898, 167440), (4960, 165347), (4991, 164320), (5135, 159712), (5152, 159185), (5530, 148304), (5642, 145360), (5704, 143780), (5980, 137144), (6320, 129766), (6440, 127348), (6448, 127190), (6944, 118105), (7130, 115024), (7189, 114080), (7268, 112840), (7280, 112654), (8060, 101752), (8216, 99820), (8372, 97960), (8680, 94484), (8848, 92690), (9085, 90272), (9269, 88480), (9568, 85715), (9796, 83720), (9982, 82160), (10270, 79856), (10465, 78368), (11060, 74152), (11284, 72680), (11408, 71890), (11960, 68572), (12245, 66976), (12640, 64883), (12719, 64480), (12880, 63674), (12896, 63595), (14105, 58144), (14260, 57512), (14378, 57040), (14536, 56420), (14560, 56327), (16120, 50876), (16432, 49910), (16744, 48980), (17143, 47840), (17360, 47242), (17696, 46345), (18170, 45136), (18538, 44240), (19592, 41860), (19964, 41080), (20540, 39928), (20930, 39184), (22120, 37076), (22568, 36340), (22816, 35945), (23621, 34720), (23920, 34286), (24490, 33488), (24955, 32864), (25438, 32240), (25760, 31837), (28210, 29072), (28520, 28756)]