20408058720

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{1151}}^1\times {\mathrm{1759}}^1$

素因数の和:2938

約数の個数: 288

約数和(自身を含む): 79705866240

約数和(自身を除く): 59297807520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1151, 1260, 1440, 1680, 1759, 2016, 2302, 2520, 3360, 3453, 3518, 4604, 5040, 5277, 5755, 6906, 7036, 8057, 8795, 9208, 10080, 10359, 10554, 11510, 12313, 13812, 14072, 15831, 16114, 17265, 17590, 18416, 20718, 21108, 23020, 24171, 24626, 26385, 27624, 28144, 31662, 32228, 34530, 35180, 36832, 36939, 40285, 41436, 42216, 46040, 48342, 49252, 51795, 52770, 55248, 56288, 61565, 63324, 64456, 69060, 70360, 72513, 73878, 79155, 80570, 82872, 84432, 92080, 96684, 98504, 103590, 105540, 110496, 110817, 120855, 123130, 126648, 128912, 138120, 140720, 145026, 147756, 158310, 161140, 165744, 168864, 184160, 184695, 193368, 197008, 207180, 211080, 221634, 241710, 246260, 253296, 257824, 276240, 281440, 290052, 295512, 316620, 322280, 331488, 362565, 369390, 386736, 394016, 414360, 422160, 443268, 483420, 492520, 506592, 552480, 554085, 580104, 591024, 633240, 644560, 725130, 738780, 773472, 828720, 844320, 886536, 966840, 985040, 1108170, 1160208, 1182048, 1266480, 1289120, 1450260, 1477560, 1657440, 1773072, 1933680, 1970080, 2024609, 2216340, 2320416, 2532960, 2900520, 2955120, 3546144, 3867360, 4049218, 4432680, 5801040, 5910240, 6073827, 8098436, 8865360, 10123045, 11602080, 12147654, 14172263, 16196872, 17730720, 18221481, 20246090, 24295308, 28344526, 30369135, 32393744, 36442962, 40492180, 42516789, 48590616, 56689052, 60738270, 64787488, 70861315, 72885924, 80984360, 85033578, 91107405, 97181232, 113378104, 121476540, 127550367, 141722630, 145771848, 161968720, 170067156, 182214810, 194362464, 212583945, 226756208, 242953080, 255100734, 283445260, 291543696, 323937440, 340134312, 364429620, 425167890, 453512416, 485906160, 510201468, 566890520, 583087392, 637751835, 680268624, 728859240, 850335780, 971812320, 1020402936, 1133781040, 1275503670, 1360537248, 1457718480, 1700671560, 2040805872, 2267562080, 2551007340, 2915436960, 3401343120, 4081611744, 5102014680, 6802686240, 10204029360, 20408058720]

約数ペア:

[(1, 20408058720), (2, 10204029360), (3, 6802686240), (4, 5102014680), (5, 4081611744), (6, 3401343120), (7, 2915436960), (8, 2551007340), (9, 2267562080), (10, 2040805872), (12, 1700671560), (14, 1457718480), (15, 1360537248), (16, 1275503670), (18, 1133781040), (20, 1020402936), (21, 971812320), (24, 850335780), (28, 728859240), (30, 680268624), (32, 637751835), (35, 583087392), (36, 566890520), (40, 510201468), (42, 485906160), (45, 453512416), (48, 425167890), (56, 364429620), (60, 340134312), (63, 323937440), (70, 291543696), (72, 283445260), (80, 255100734), (84, 242953080), (90, 226756208), (96, 212583945), (105, 194362464), (112, 182214810), (120, 170067156), (126, 161968720), (140, 145771848), (144, 141722630), (160, 127550367), (168, 121476540), (180, 113378104), (210, 97181232), (224, 91107405), (240, 85033578), (252, 80984360), (280, 72885924), (288, 70861315), (315, 64787488), (336, 60738270), (360, 56689052), (420, 48590616), (480, 42516789), (504, 40492180), (560, 36442962), (630, 32393744), (672, 30369135), (720, 28344526), (840, 24295308), (1008, 20246090), (1120, 18221481), (1151, 17730720), (1260, 16196872), (1440, 14172263), (1680, 12147654), (1759, 11602080), (2016, 10123045), (2302, 8865360), (2520, 8098436), (3360, 6073827), (3453, 5910240), (3518, 5801040), (4604, 4432680), (5040, 4049218), (5277, 3867360), (5755, 3546144), (6906, 2955120), (7036, 2900520), (8057, 2532960), (8795, 2320416), (9208, 2216340), (10080, 2024609), (10359, 1970080), (10554, 1933680), (11510, 1773072), (12313, 1657440), (13812, 1477560), (14072, 1450260), (15831, 1289120), (16114, 1266480), (17265, 1182048), (17590, 1160208), (18416, 1108170), (20718, 985040), (21108, 966840), (23020, 886536), (24171, 844320), (24626, 828720), (26385, 773472), (27624, 738780), (28144, 725130), (31662, 644560), (32228, 633240), (34530, 591024), (35180, 580104), (36832, 554085), (36939, 552480), (40285, 506592), (41436, 492520), (42216, 483420), (46040, 443268), (48342, 422160), (49252, 414360), (51795, 394016), (52770, 386736), (55248, 369390), (56288, 362565), (61565, 331488), (63324, 322280), (64456, 316620), (69060, 295512), (70360, 290052), (72513, 281440), (73878, 276240), (79155, 257824), (80570, 253296), (82872, 246260), (84432, 241710), (92080, 221634), (96684, 211080), (98504, 207180), (103590, 197008), (105540, 193368), (110496, 184695), (110817, 184160), (120855, 168864), (123130, 165744), (126648, 161140), (128912, 158310), (138120, 147756), (140720, 145026)]