20212674560

素因数分解:

$2^{12}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:183

約数の個数: 312

約数和(自身を含む): 54658215360

約数和(自身を除く): 34445540800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 79, 80, 104, 124, 128, 130, 155, 158, 160, 208, 248, 256, 260, 310, 316, 320, 395, 403, 416, 496, 512, 520, 620, 632, 640, 790, 806, 832, 961, 992, 1024, 1027, 1040, 1240, 1264, 1280, 1580, 1612, 1664, 1922, 1984, 2015, 2048, 2054, 2080, 2449, 2480, 2528, 2560, 3160, 3224, 3328, 3844, 3968, 4030, 4096, 4108, 4160, 4805, 4898, 4960, 5056, 5120, 5135, 6320, 6448, 6656, 7688, 7936, 8060, 8216, 8320, 9610, 9796, 9920, 10112, 10240, 10270, 12245, 12493, 12640, 12896, 13312, 15376, 15872, 16120, 16432, 16640, 19220, 19592, 19840, 20224, 20480, 20540, 24490, 24986, 25280, 25792, 26624, 30752, 31744, 31837, 32240, 32864, 33280, 38440, 39184, 39680, 40448, 41080, 48980, 49972, 50560, 51584, 53248, 61504, 62465, 63488, 63674, 64480, 65728, 66560, 75919, 76880, 78368, 79360, 80896, 82160, 97960, 99944, 101120, 103168, 123008, 124930, 126976, 127348, 128960, 131456, 133120, 151838, 153760, 156736, 158720, 159185, 161792, 164320, 195920, 199888, 202240, 206336, 246016, 249860, 254696, 257920, 262912, 266240, 303676, 307520, 313472, 317440, 318370, 323584, 328640, 379595, 391840, 399776, 404480, 412672, 492032, 499720, 509392, 515840, 525824, 607352, 615040, 626944, 634880, 636740, 657280, 759190, 783680, 799552, 808960, 825344, 984064, 986947, 999440, 1018784, 1031680, 1051648, 1214704, 1230080, 1253888, 1273480, 1314560, 1518380, 1567360, 1599104, 1617920, 1650688, 1968128, 1973894, 1998880, 2037568, 2063360, 2103296, 2429408, 2460160, 2507776, 2546960, 2629120, 3036760, 3134720, 3198208, 3936256, 3947788, 3997760, 4075136, 4126720, 4206592, 4858816, 4920320, 4934735, 5015552, 5093920, 5258240, 6073520, 6269440, 6396416, 7895576, 7995520, 8150272, 8253440, 9717632, 9840640, 9869470, 10031104, 10187840, 10516480, 12147040, 12538880, 12792832, 15791152, 15991040, 16300544, 19435264, 19681280, 19738940, 20375680, 21032960, 24294080, 25077760, 25585664, 31582304, 31982080, 32601088, 38870528, 39477880, 40751360, 48588160, 50155520, 51171328, 63164608, 63964160, 65202176, 77741056, 78955760, 81502720, 97176320, 126329216, 127928320, 130404352, 155482112, 157911520, 163005440, 194352640, 252658432, 255856640, 310964224, 315823040, 326010880, 388705280, 505316864, 631646080, 652021760, 777410560, 1010633728, 1263292160, 1554821120, 2021267456, 2526584320, 4042534912, 5053168640, 10106337280, 20212674560]

約数ペア:

[(1, 20212674560), (2, 10106337280), (4, 5053168640), (5, 4042534912), (8, 2526584320), (10, 2021267456), (13, 1554821120), (16, 1263292160), (20, 1010633728), (26, 777410560), (31, 652021760), (32, 631646080), (40, 505316864), (52, 388705280), (62, 326010880), (64, 315823040), (65, 310964224), (79, 255856640), (80, 252658432), (104, 194352640), (124, 163005440), (128, 157911520), (130, 155482112), (155, 130404352), (158, 127928320), (160, 126329216), (208, 97176320), (248, 81502720), (256, 78955760), (260, 77741056), (310, 65202176), (316, 63964160), (320, 63164608), (395, 51171328), (403, 50155520), (416, 48588160), (496, 40751360), (512, 39477880), (520, 38870528), (620, 32601088), (632, 31982080), (640, 31582304), (790, 25585664), (806, 25077760), (832, 24294080), (961, 21032960), (992, 20375680), (1024, 19738940), (1027, 19681280), (1040, 19435264), (1240, 16300544), (1264, 15991040), (1280, 15791152), (1580, 12792832), (1612, 12538880), (1664, 12147040), (1922, 10516480), (1984, 10187840), (2015, 10031104), (2048, 9869470), (2054, 9840640), (2080, 9717632), (2449, 8253440), (2480, 8150272), (2528, 7995520), (2560, 7895576), (3160, 6396416), (3224, 6269440), (3328, 6073520), (3844, 5258240), (3968, 5093920), (4030, 5015552), (4096, 4934735), (4108, 4920320), (4160, 4858816), (4805, 4206592), (4898, 4126720), (4960, 4075136), (5056, 3997760), (5120, 3947788), (5135, 3936256), (6320, 3198208), (6448, 3134720), (6656, 3036760), (7688, 2629120), (7936, 2546960), (8060, 2507776), (8216, 2460160), (8320, 2429408), (9610, 2103296), (9796, 2063360), (9920, 2037568), (10112, 1998880), (10240, 1973894), (10270, 1968128), (12245, 1650688), (12493, 1617920), (12640, 1599104), (12896, 1567360), (13312, 1518380), (15376, 1314560), (15872, 1273480), (16120, 1253888), (16432, 1230080), (16640, 1214704), (19220, 1051648), (19592, 1031680), (19840, 1018784), (20224, 999440), (20480, 986947), (20540, 984064), (24490, 825344), (24986, 808960), (25280, 799552), (25792, 783680), (26624, 759190), (30752, 657280), (31744, 636740), (31837, 634880), (32240, 626944), (32864, 615040), (33280, 607352), (38440, 525824), (39184, 515840), (39680, 509392), (40448, 499720), (41080, 492032), (48980, 412672), (49972, 404480), (50560, 399776), (51584, 391840), (53248, 379595), (61504, 328640), (62465, 323584), (63488, 318370), (63674, 317440), (64480, 313472), (65728, 307520), (66560, 303676), (75919, 266240), (76880, 262912), (78368, 257920), (79360, 254696), (80896, 249860), (82160, 246016), (97960, 206336), (99944, 202240), (101120, 199888), (103168, 195920), (123008, 164320), (124930, 161792), (126976, 159185), (127348, 158720), (128960, 156736), (131456, 153760), (133120, 151838)]