1993984128

素因数分解:

$2^7\times 3^7\times {\mathrm{17}}^1\times {\mathrm{419}}^1$

素因数の和:471

約数の個数: 256

約数和(自身を含む): 6323184000

約数和(自身を除く): 4329199872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 64, 68, 72, 81, 96, 102, 108, 128, 136, 144, 153, 162, 192, 204, 216, 243, 272, 288, 306, 324, 384, 408, 419, 432, 459, 486, 544, 576, 612, 648, 729, 816, 838, 864, 918, 972, 1088, 1152, 1224, 1257, 1296, 1377, 1458, 1632, 1676, 1728, 1836, 1944, 2176, 2187, 2448, 2514, 2592, 2754, 2916, 3264, 3352, 3456, 3672, 3771, 3888, 4131, 4374, 4896, 5028, 5184, 5508, 5832, 6528, 6704, 7123, 7344, 7542, 7776, 8262, 8748, 9792, 10056, 10368, 11016, 11313, 11664, 12393, 13408, 14246, 14688, 15084, 15552, 16524, 17496, 19584, 20112, 21369, 22032, 22626, 23328, 24786, 26816, 28492, 29376, 30168, 31104, 33048, 33939, 34992, 37179, 40224, 42738, 44064, 45252, 46656, 49572, 53632, 56984, 58752, 60336, 64107, 66096, 67878, 69984, 74358, 80448, 85476, 88128, 90504, 93312, 99144, 101817, 113968, 120672, 128214, 132192, 135756, 139968, 148716, 160896, 170952, 176256, 181008, 192321, 198288, 203634, 227936, 241344, 256428, 264384, 271512, 279936, 297432, 305451, 341904, 362016, 384642, 396576, 407268, 455872, 482688, 512856, 528768, 543024, 576963, 594864, 610902, 683808, 724032, 769284, 793152, 814536, 911744, 916353, 1025712, 1086048, 1153926, 1189728, 1221804, 1367616, 1448064, 1538568, 1586304, 1629072, 1730889, 1832706, 2051424, 2172096, 2307852, 2379456, 2443608, 2735232, 3077136, 3258144, 3461778, 3665412, 4102848, 4344192, 4615704, 4758912, 4887216, 5192667, 6154272, 6516288, 6923556, 7330824, 8205696, 9231408, 9774432, 10385334, 12308544, 13032576, 13847112, 14661648, 15578001, 18462816, 19548864, 20770668, 24617088, 27694224, 29323296, 31156002, 36925632, 39097728, 41541336, 55388448, 58646592, 62312004, 73851264, 83082672, 110776896, 117293184, 124624008, 166165344, 221553792, 249248016, 332330688, 498496032, 664661376, 996992064, 1993984128]

約数ペア:

[(1, 1993984128), (2, 996992064), (3, 664661376), (4, 498496032), (6, 332330688), (8, 249248016), (9, 221553792), (12, 166165344), (16, 124624008), (17, 117293184), (18, 110776896), (24, 83082672), (27, 73851264), (32, 62312004), (34, 58646592), (36, 55388448), (48, 41541336), (51, 39097728), (54, 36925632), (64, 31156002), (68, 29323296), (72, 27694224), (81, 24617088), (96, 20770668), (102, 19548864), (108, 18462816), (128, 15578001), (136, 14661648), (144, 13847112), (153, 13032576), (162, 12308544), (192, 10385334), (204, 9774432), (216, 9231408), (243, 8205696), (272, 7330824), (288, 6923556), (306, 6516288), (324, 6154272), (384, 5192667), (408, 4887216), (419, 4758912), (432, 4615704), (459, 4344192), (486, 4102848), (544, 3665412), (576, 3461778), (612, 3258144), (648, 3077136), (729, 2735232), (816, 2443608), (838, 2379456), (864, 2307852), (918, 2172096), (972, 2051424), (1088, 1832706), (1152, 1730889), (1224, 1629072), (1257, 1586304), (1296, 1538568), (1377, 1448064), (1458, 1367616), (1632, 1221804), (1676, 1189728), (1728, 1153926), (1836, 1086048), (1944, 1025712), (2176, 916353), (2187, 911744), (2448, 814536), (2514, 793152), (2592, 769284), (2754, 724032), (2916, 683808), (3264, 610902), (3352, 594864), (3456, 576963), (3672, 543024), (3771, 528768), (3888, 512856), (4131, 482688), (4374, 455872), (4896, 407268), (5028, 396576), (5184, 384642), (5508, 362016), (5832, 341904), (6528, 305451), (6704, 297432), (7123, 279936), (7344, 271512), (7542, 264384), (7776, 256428), (8262, 241344), (8748, 227936), (9792, 203634), (10056, 198288), (10368, 192321), (11016, 181008), (11313, 176256), (11664, 170952), (12393, 160896), (13408, 148716), (14246, 139968), (14688, 135756), (15084, 132192), (15552, 128214), (16524, 120672), (17496, 113968), (19584, 101817), (20112, 99144), (21369, 93312), (22032, 90504), (22626, 88128), (23328, 85476), (24786, 80448), (26816, 74358), (28492, 69984), (29376, 67878), (30168, 66096), (31104, 64107), (33048, 60336), (33939, 58752), (34992, 56984), (37179, 53632), (40224, 49572), (42738, 46656), (44064, 45252)]