69281280

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:157

約数の個数: 240

約数和(自身を含む): 250233984

約数和(自身を除く): 180952704

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 97, 120, 124, 128, 144, 155, 160, 180, 186, 192, 194, 240, 248, 256, 279, 288, 291, 310, 320, 360, 372, 384, 388, 465, 480, 485, 496, 512, 558, 576, 582, 620, 640, 720, 744, 768, 776, 873, 930, 960, 970, 992, 1116, 1152, 1164, 1240, 1280, 1395, 1440, 1455, 1488, 1536, 1552, 1746, 1860, 1920, 1940, 1984, 2232, 2304, 2328, 2480, 2560, 2790, 2880, 2910, 2976, 3007, 3104, 3492, 3720, 3840, 3880, 3968, 4365, 4464, 4608, 4656, 4960, 5580, 5760, 5820, 5952, 6014, 6208, 6984, 7440, 7680, 7760, 7936, 8730, 8928, 9021, 9312, 9920, 11160, 11520, 11640, 11904, 12028, 12416, 13968, 14880, 15035, 15520, 15872, 17460, 17856, 18042, 18624, 19840, 22320, 23040, 23280, 23808, 24056, 24832, 27063, 27936, 29760, 30070, 31040, 34920, 35712, 36084, 37248, 39680, 44640, 45105, 46560, 47616, 48112, 49664, 54126, 55872, 59520, 60140, 62080, 69840, 71424, 72168, 74496, 79360, 89280, 90210, 93120, 96224, 108252, 111744, 119040, 120280, 124160, 135315, 139680, 142848, 144336, 148992, 178560, 180420, 186240, 192448, 216504, 223488, 238080, 240560, 248320, 270630, 279360, 288672, 357120, 360840, 372480, 384896, 433008, 446976, 481120, 541260, 558720, 577344, 714240, 721680, 744960, 769792, 866016, 962240, 1082520, 1117440, 1154688, 1443360, 1539584, 1732032, 1924480, 2165040, 2234880, 2309376, 2886720, 3464064, 3848960, 4330080, 4618752, 5773440, 6928128, 7697920, 8660160, 11546880, 13856256, 17320320, 23093760, 34640640, 69281280]

約数ペア:

[(1, 69281280), (2, 34640640), (3, 23093760), (4, 17320320), (5, 13856256), (6, 11546880), (8, 8660160), (9, 7697920), (10, 6928128), (12, 5773440), (15, 4618752), (16, 4330080), (18, 3848960), (20, 3464064), (24, 2886720), (30, 2309376), (31, 2234880), (32, 2165040), (36, 1924480), (40, 1732032), (45, 1539584), (48, 1443360), (60, 1154688), (62, 1117440), (64, 1082520), (72, 962240), (80, 866016), (90, 769792), (93, 744960), (96, 721680), (97, 714240), (120, 577344), (124, 558720), (128, 541260), (144, 481120), (155, 446976), (160, 433008), (180, 384896), (186, 372480), (192, 360840), (194, 357120), (240, 288672), (248, 279360), (256, 270630), (279, 248320), (288, 240560), (291, 238080), (310, 223488), (320, 216504), (360, 192448), (372, 186240), (384, 180420), (388, 178560), (465, 148992), (480, 144336), (485, 142848), (496, 139680), (512, 135315), (558, 124160), (576, 120280), (582, 119040), (620, 111744), (640, 108252), (720, 96224), (744, 93120), (768, 90210), (776, 89280), (873, 79360), (930, 74496), (960, 72168), (970, 71424), (992, 69840), (1116, 62080), (1152, 60140), (1164, 59520), (1240, 55872), (1280, 54126), (1395, 49664), (1440, 48112), (1455, 47616), (1488, 46560), (1536, 45105), (1552, 44640), (1746, 39680), (1860, 37248), (1920, 36084), (1940, 35712), (1984, 34920), (2232, 31040), (2304, 30070), (2328, 29760), (2480, 27936), (2560, 27063), (2790, 24832), (2880, 24056), (2910, 23808), (2976, 23280), (3007, 23040), (3104, 22320), (3492, 19840), (3720, 18624), (3840, 18042), (3880, 17856), (3968, 17460), (4365, 15872), (4464, 15520), (4608, 15035), (4656, 14880), (4960, 13968), (5580, 12416), (5760, 12028), (5820, 11904), (5952, 11640), (6014, 11520), (6208, 11160), (6984, 9920), (7440, 9312), (7680, 9021), (7760, 8928), (7936, 8730)]