1663068160

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2$

素因数の和:115

約数の個数: 216

約数和(自身を含む): 4464835830

約数和(自身を除く): 2801767670

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, 2048, 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, 10240, 10478, 10816, 12493, 12896, 13312, 13520, 15376, 15872, 16120, 16640, 19220, 19840, 20956, 21632, 24986, 25792, 26195, 26624, 27040, 30752, 31744, 32240, 33280, 38440, 39680, 41912, 43264, 49972, 51584, 52390, 54080, 61504, 62465, 63488, 64480, 66560, 76880, 79360, 83824, 86528, 99944, 103168, 104780, 108160, 123008, 124930, 128960, 133120, 153760, 158720, 162409, 167648, 173056, 199888, 206336, 209560, 216320, 246016, 249860, 257920, 307520, 317440, 324818, 335296, 346112, 399776, 412672, 419120, 432640, 492032, 499720, 515840, 615040, 649636, 670592, 799552, 812045, 825344, 838240, 865280, 984064, 999440, 1031680, 1230080, 1299272, 1341184, 1599104, 1624090, 1676480, 1730560, 1968128, 1998880, 2063360, 2460160, 2598544, 2682368, 3198208, 3248180, 3352960, 3997760, 4126720, 4920320, 5197088, 5364736, 6396416, 6496360, 6705920, 7995520, 9840640, 10394176, 10729472, 12792832, 12992720, 13411840, 15991040, 20788352, 25585664, 25985440, 26823680, 31982080, 41576704, 51970880, 53647360, 63964160, 83153408, 103941760, 127928320, 166306816, 207883520, 332613632, 415767040, 831534080, 1663068160]

約数ペア:

[(1, 1663068160), (2, 831534080), (4, 415767040), (5, 332613632), (8, 207883520), (10, 166306816), (13, 127928320), (16, 103941760), (20, 83153408), (26, 63964160), (31, 53647360), (32, 51970880), (40, 41576704), (52, 31982080), (62, 26823680), (64, 25985440), (65, 25585664), (80, 20788352), (104, 15991040), (124, 13411840), (128, 12992720), (130, 12792832), (155, 10729472), (160, 10394176), (169, 9840640), (208, 7995520), (248, 6705920), (256, 6496360), (260, 6396416), (310, 5364736), (320, 5197088), (338, 4920320), (403, 4126720), (416, 3997760), (496, 3352960), (512, 3248180), (520, 3198208), (620, 2682368), (640, 2598544), (676, 2460160), (806, 2063360), (832, 1998880), (845, 1968128), (961, 1730560), (992, 1676480), (1024, 1624090), (1040, 1599104), (1240, 1341184), (1280, 1299272), (1352, 1230080), (1612, 1031680), (1664, 999440), (1690, 984064), (1922, 865280), (1984, 838240), (2015, 825344), (2048, 812045), (2080, 799552), (2480, 670592), (2560, 649636), (2704, 615040), (3224, 515840), (3328, 499720), (3380, 492032), (3844, 432640), (3968, 419120), (4030, 412672), (4160, 399776), (4805, 346112), (4960, 335296), (5120, 324818), (5239, 317440), (5408, 307520), (6448, 257920), (6656, 249860), (6760, 246016), (7688, 216320), (7936, 209560), (8060, 206336), (8320, 199888), (9610, 173056), (9920, 167648), (10240, 162409), (10478, 158720), (10816, 153760), (12493, 133120), (12896, 128960), (13312, 124930), (13520, 123008), (15376, 108160), (15872, 104780), (16120, 103168), (16640, 99944), (19220, 86528), (19840, 83824), (20956, 79360), (21632, 76880), (24986, 66560), (25792, 64480), (26195, 63488), (26624, 62465), (27040, 61504), (30752, 54080), (31744, 52390), (32240, 51584), (33280, 49972), (38440, 43264), (39680, 41912)]