831534080

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2$

素因数の和:113

約数の個数: 198

約数和(自身を含む): 2231872758

約数和(自身を除く): 1400338678

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 169, 208, 248, 256, 260, 310, 320, 338, 403, 416, 496, 512, 520, 620, 640, 676, 806, 832, 845, 961, 992, 1024, 1040, 1240, 1280, 1352, 1612, 1664, 1690, 1922, 1984, 2015, 2080, 2480, 2560, 2704, 3224, 3328, 3380, 3844, 3968, 4030, 4160, 4805, 4960, 5120, 5239, 5408, 6448, 6656, 6760, 7688, 7936, 8060, 8320, 9610, 9920, 10478, 10816, 12493, 12896, 13312, 13520, 15376, 15872, 16120, 16640, 19220, 19840, 20956, 21632, 24986, 25792, 26195, 27040, 30752, 31744, 32240, 33280, 38440, 39680, 41912, 43264, 49972, 51584, 52390, 54080, 61504, 62465, 64480, 66560, 76880, 79360, 83824, 86528, 99944, 103168, 104780, 108160, 123008, 124930, 128960, 153760, 158720, 162409, 167648, 173056, 199888, 206336, 209560, 216320, 246016, 249860, 257920, 307520, 324818, 335296, 399776, 412672, 419120, 432640, 492032, 499720, 515840, 615040, 649636, 670592, 799552, 812045, 838240, 865280, 984064, 999440, 1031680, 1230080, 1299272, 1341184, 1599104, 1624090, 1676480, 1998880, 2063360, 2460160, 2598544, 2682368, 3198208, 3248180, 3352960, 3997760, 4920320, 5197088, 5364736, 6396416, 6496360, 6705920, 7995520, 10394176, 12792832, 12992720, 13411840, 15991040, 20788352, 25985440, 26823680, 31982080, 41576704, 51970880, 63964160, 83153408, 103941760, 166306816, 207883520, 415767040, 831534080]

約数ペア:

[(1, 831534080), (2, 415767040), (4, 207883520), (5, 166306816), (8, 103941760), (10, 83153408), (13, 63964160), (16, 51970880), (20, 41576704), (26, 31982080), (31, 26823680), (32, 25985440), (40, 20788352), (52, 15991040), (62, 13411840), (64, 12992720), (65, 12792832), (80, 10394176), (104, 7995520), (124, 6705920), (128, 6496360), (130, 6396416), (155, 5364736), (160, 5197088), (169, 4920320), (208, 3997760), (248, 3352960), (256, 3248180), (260, 3198208), (310, 2682368), (320, 2598544), (338, 2460160), (403, 2063360), (416, 1998880), (496, 1676480), (512, 1624090), (520, 1599104), (620, 1341184), (640, 1299272), (676, 1230080), (806, 1031680), (832, 999440), (845, 984064), (961, 865280), (992, 838240), (1024, 812045), (1040, 799552), (1240, 670592), (1280, 649636), (1352, 615040), (1612, 515840), (1664, 499720), (1690, 492032), (1922, 432640), (1984, 419120), (2015, 412672), (2080, 399776), (2480, 335296), (2560, 324818), (2704, 307520), (3224, 257920), (3328, 249860), (3380, 246016), (3844, 216320), (3968, 209560), (4030, 206336), (4160, 199888), (4805, 173056), (4960, 167648), (5120, 162409), (5239, 158720), (5408, 153760), (6448, 128960), (6656, 124930), (6760, 123008), (7688, 108160), (7936, 104780), (8060, 103168), (8320, 99944), (9610, 86528), (9920, 83824), (10478, 79360), (10816, 76880), (12493, 66560), (12896, 64480), (13312, 62465), (13520, 61504), (15376, 54080), (15872, 52390), (16120, 51584), (16640, 49972), (19220, 43264), (19840, 41912), (20956, 39680), (21632, 38440), (24986, 33280), (25792, 32240), (26195, 31744), (27040, 30752)]