218520960

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:329

約数の個数: 256

約数和(自身を含む): 810777600

約数和(自身を除く): 592256640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 71, 80, 84, 96, 105, 112, 120, 128, 140, 142, 160, 168, 192, 210, 213, 224, 229, 240, 280, 284, 320, 336, 355, 384, 420, 426, 448, 458, 480, 497, 560, 568, 640, 672, 687, 710, 840, 852, 896, 916, 960, 994, 1065, 1120, 1136, 1145, 1344, 1374, 1420, 1491, 1603, 1680, 1704, 1832, 1920, 1988, 2130, 2240, 2272, 2290, 2485, 2688, 2748, 2840, 2982, 3206, 3360, 3408, 3435, 3664, 3976, 4260, 4480, 4544, 4580, 4809, 4970, 5496, 5680, 5964, 6412, 6720, 6816, 6870, 7328, 7455, 7952, 8015, 8520, 9088, 9160, 9618, 9940, 10992, 11360, 11928, 12824, 13440, 13632, 13740, 14656, 14910, 15904, 16030, 16259, 17040, 18320, 19236, 19880, 21984, 22720, 23856, 24045, 25648, 27264, 27480, 29312, 29820, 31808, 32060, 32518, 34080, 36640, 38472, 39760, 43968, 45440, 47712, 48090, 48777, 51296, 54960, 59640, 63616, 64120, 65036, 68160, 73280, 76944, 79520, 81295, 87936, 95424, 96180, 97554, 102592, 109920, 113813, 119280, 128240, 130072, 136320, 146560, 153888, 159040, 162590, 190848, 192360, 195108, 205184, 219840, 227626, 238560, 243885, 256480, 260144, 307776, 318080, 325180, 341439, 384720, 390216, 439680, 455252, 477120, 487770, 512960, 520288, 569065, 615552, 650360, 682878, 769440, 780432, 910504, 954240, 975540, 1025920, 1040576, 1138130, 1300720, 1365756, 1538880, 1560864, 1707195, 1821008, 1951080, 2081152, 2276260, 2601440, 2731512, 3077760, 3121728, 3414390, 3642016, 3902160, 4552520, 5202880, 5463024, 6243456, 6828780, 7284032, 7804320, 9105040, 10405760, 10926048, 13657560, 14568064, 15608640, 18210080, 21852096, 27315120, 31217280, 36420160, 43704192, 54630240, 72840320, 109260480, 218520960]

約数ペア:

[(1, 218520960), (2, 109260480), (3, 72840320), (4, 54630240), (5, 43704192), (6, 36420160), (7, 31217280), (8, 27315120), (10, 21852096), (12, 18210080), (14, 15608640), (15, 14568064), (16, 13657560), (20, 10926048), (21, 10405760), (24, 9105040), (28, 7804320), (30, 7284032), (32, 6828780), (35, 6243456), (40, 5463024), (42, 5202880), (48, 4552520), (56, 3902160), (60, 3642016), (64, 3414390), (70, 3121728), (71, 3077760), (80, 2731512), (84, 2601440), (96, 2276260), (105, 2081152), (112, 1951080), (120, 1821008), (128, 1707195), (140, 1560864), (142, 1538880), (160, 1365756), (168, 1300720), (192, 1138130), (210, 1040576), (213, 1025920), (224, 975540), (229, 954240), (240, 910504), (280, 780432), (284, 769440), (320, 682878), (336, 650360), (355, 615552), (384, 569065), (420, 520288), (426, 512960), (448, 487770), (458, 477120), (480, 455252), (497, 439680), (560, 390216), (568, 384720), (640, 341439), (672, 325180), (687, 318080), (710, 307776), (840, 260144), (852, 256480), (896, 243885), (916, 238560), (960, 227626), (994, 219840), (1065, 205184), (1120, 195108), (1136, 192360), (1145, 190848), (1344, 162590), (1374, 159040), (1420, 153888), (1491, 146560), (1603, 136320), (1680, 130072), (1704, 128240), (1832, 119280), (1920, 113813), (1988, 109920), (2130, 102592), (2240, 97554), (2272, 96180), (2290, 95424), (2485, 87936), (2688, 81295), (2748, 79520), (2840, 76944), (2982, 73280), (3206, 68160), (3360, 65036), (3408, 64120), (3435, 63616), (3664, 59640), (3976, 54960), (4260, 51296), (4480, 48777), (4544, 48090), (4580, 47712), (4809, 45440), (4970, 43968), (5496, 39760), (5680, 38472), (5964, 36640), (6412, 34080), (6720, 32518), (6816, 32060), (6870, 31808), (7328, 29820), (7455, 29312), (7952, 27480), (8015, 27264), (8520, 25648), (9088, 24045), (9160, 23856), (9618, 22720), (9940, 21984), (10992, 19880), (11360, 19236), (11928, 18320), (12824, 17040), (13440, 16259), (13632, 16030), (13740, 15904), (14656, 14910)]