1263292160

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:175

約数の個数: 216

約数和(自身を含む): 3409882560

約数和(自身を除く): 2146590400

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, 520, 620, 632, 640, 790, 806, 832, 961, 992, 1027, 1040, 1240, 1264, 1280, 1580, 1612, 1664, 1922, 1984, 2015, 2054, 2080, 2449, 2480, 2528, 3160, 3224, 3328, 3844, 3968, 4030, 4108, 4160, 4805, 4898, 4960, 5056, 5135, 6320, 6448, 7688, 7936, 8060, 8216, 8320, 9610, 9796, 9920, 10112, 10270, 12245, 12493, 12640, 12896, 15376, 16120, 16432, 16640, 19220, 19592, 19840, 20224, 20540, 24490, 24986, 25280, 25792, 30752, 31837, 32240, 32864, 38440, 39184, 39680, 41080, 48980, 49972, 50560, 51584, 61504, 62465, 63674, 64480, 65728, 75919, 76880, 78368, 82160, 97960, 99944, 101120, 103168, 123008, 124930, 127348, 128960, 131456, 151838, 153760, 156736, 159185, 164320, 195920, 199888, 246016, 249860, 254696, 257920, 262912, 303676, 307520, 313472, 318370, 328640, 379595, 391840, 399776, 499720, 509392, 515840, 607352, 615040, 626944, 636740, 657280, 759190, 783680, 799552, 986947, 999440, 1018784, 1214704, 1230080, 1273480, 1314560, 1518380, 1567360, 1599104, 1973894, 1998880, 2037568, 2429408, 2546960, 3036760, 3134720, 3198208, 3947788, 3997760, 4075136, 4858816, 4934735, 5093920, 6073520, 7895576, 7995520, 8150272, 9717632, 9869470, 10187840, 12147040, 15791152, 15991040, 19435264, 19738940, 20375680, 24294080, 31582304, 39477880, 40751360, 48588160, 63164608, 78955760, 97176320, 126329216, 157911520, 252658432, 315823040, 631646080, 1263292160]

約数ペア:

[(1, 1263292160), (2, 631646080), (4, 315823040), (5, 252658432), (8, 157911520), (10, 126329216), (13, 97176320), (16, 78955760), (20, 63164608), (26, 48588160), (31, 40751360), (32, 39477880), (40, 31582304), (52, 24294080), (62, 20375680), (64, 19738940), (65, 19435264), (79, 15991040), (80, 15791152), (104, 12147040), (124, 10187840), (128, 9869470), (130, 9717632), (155, 8150272), (158, 7995520), (160, 7895576), (208, 6073520), (248, 5093920), (256, 4934735), (260, 4858816), (310, 4075136), (316, 3997760), (320, 3947788), (395, 3198208), (403, 3134720), (416, 3036760), (496, 2546960), (520, 2429408), (620, 2037568), (632, 1998880), (640, 1973894), (790, 1599104), (806, 1567360), (832, 1518380), (961, 1314560), (992, 1273480), (1027, 1230080), (1040, 1214704), (1240, 1018784), (1264, 999440), (1280, 986947), (1580, 799552), (1612, 783680), (1664, 759190), (1922, 657280), (1984, 636740), (2015, 626944), (2054, 615040), (2080, 607352), (2449, 515840), (2480, 509392), (2528, 499720), (3160, 399776), (3224, 391840), (3328, 379595), (3844, 328640), (3968, 318370), (4030, 313472), (4108, 307520), (4160, 303676), (4805, 262912), (4898, 257920), (4960, 254696), (5056, 249860), (5135, 246016), (6320, 199888), (6448, 195920), (7688, 164320), (7936, 159185), (8060, 156736), (8216, 153760), (8320, 151838), (9610, 131456), (9796, 128960), (9920, 127348), (10112, 124930), (10270, 123008), (12245, 103168), (12493, 101120), (12640, 99944), (12896, 97960), (15376, 82160), (16120, 78368), (16432, 76880), (16640, 75919), (19220, 65728), (19592, 64480), (19840, 63674), (20224, 62465), (20540, 61504), (24490, 51584), (24986, 50560), (25280, 49972), (25792, 48980), (30752, 41080), (31837, 39680), (32240, 39184), (32864, 38440)]