261821760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:361

約数の個数: 224

約数和(自身を含む): 898013952

約数和(自身を除く): 636192192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 61, 64, 68, 80, 85, 96, 102, 120, 122, 136, 160, 170, 183, 192, 204, 240, 244, 255, 263, 272, 305, 320, 340, 366, 408, 480, 488, 510, 526, 544, 610, 680, 732, 789, 816, 915, 960, 976, 1020, 1037, 1052, 1088, 1220, 1315, 1360, 1464, 1578, 1632, 1830, 1952, 2040, 2074, 2104, 2440, 2630, 2720, 2928, 3111, 3156, 3264, 3660, 3904, 3945, 4080, 4148, 4208, 4471, 4880, 5185, 5260, 5440, 5856, 6222, 6312, 7320, 7890, 8160, 8296, 8416, 8942, 9760, 10370, 10520, 11712, 12444, 12624, 13413, 14640, 15555, 15780, 16043, 16320, 16592, 16832, 17884, 19520, 20740, 21040, 22355, 24888, 25248, 26826, 29280, 31110, 31560, 32086, 33184, 35768, 41480, 42080, 44710, 48129, 49776, 50496, 53652, 58560, 62220, 63120, 64172, 66368, 67065, 71536, 80215, 82960, 84160, 89420, 96258, 99552, 107304, 124440, 126240, 128344, 134130, 143072, 160430, 165920, 178840, 192516, 199104, 214608, 240645, 248880, 252480, 256688, 268260, 272731, 286144, 320860, 331840, 357680, 385032, 429216, 481290, 497760, 513376, 536520, 545462, 641720, 715360, 770064, 818193, 858432, 962580, 995520, 1026752, 1073040, 1090924, 1283440, 1363655, 1430720, 1540128, 1636386, 1925160, 2146080, 2181848, 2566880, 2727310, 3080256, 3272772, 3850320, 4090965, 4292160, 4363696, 5133760, 5454620, 6545544, 7700640, 8181930, 8727392, 10909240, 13091088, 15401280, 16363860, 17454784, 21818480, 26182176, 32727720, 43636960, 52364352, 65455440, 87273920, 130910880, 261821760]

約数ペア:

[(1, 261821760), (2, 130910880), (3, 87273920), (4, 65455440), (5, 52364352), (6, 43636960), (8, 32727720), (10, 26182176), (12, 21818480), (15, 17454784), (16, 16363860), (17, 15401280), (20, 13091088), (24, 10909240), (30, 8727392), (32, 8181930), (34, 7700640), (40, 6545544), (48, 5454620), (51, 5133760), (60, 4363696), (61, 4292160), (64, 4090965), (68, 3850320), (80, 3272772), (85, 3080256), (96, 2727310), (102, 2566880), (120, 2181848), (122, 2146080), (136, 1925160), (160, 1636386), (170, 1540128), (183, 1430720), (192, 1363655), (204, 1283440), (240, 1090924), (244, 1073040), (255, 1026752), (263, 995520), (272, 962580), (305, 858432), (320, 818193), (340, 770064), (366, 715360), (408, 641720), (480, 545462), (488, 536520), (510, 513376), (526, 497760), (544, 481290), (610, 429216), (680, 385032), (732, 357680), (789, 331840), (816, 320860), (915, 286144), (960, 272731), (976, 268260), (1020, 256688), (1037, 252480), (1052, 248880), (1088, 240645), (1220, 214608), (1315, 199104), (1360, 192516), (1464, 178840), (1578, 165920), (1632, 160430), (1830, 143072), (1952, 134130), (2040, 128344), (2074, 126240), (2104, 124440), (2440, 107304), (2630, 99552), (2720, 96258), (2928, 89420), (3111, 84160), (3156, 82960), (3264, 80215), (3660, 71536), (3904, 67065), (3945, 66368), (4080, 64172), (4148, 63120), (4208, 62220), (4471, 58560), (4880, 53652), (5185, 50496), (5260, 49776), (5440, 48129), (5856, 44710), (6222, 42080), (6312, 41480), (7320, 35768), (7890, 33184), (8160, 32086), (8296, 31560), (8416, 31110), (8942, 29280), (9760, 26826), (10370, 25248), (10520, 24888), (11712, 22355), (12444, 21040), (12624, 20740), (13413, 19520), (14640, 17884), (15555, 16832), (15780, 16592), (16043, 16320)]