290814720

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:411

約数の個数: 288

約数和(自身を含む): 1098854400

約数和(自身を除く): 808039680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 93, 96, 105, 112, 120, 124, 128, 140, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 256, 280, 310, 320, 336, 349, 372, 384, 420, 434, 448, 465, 480, 496, 560, 620, 640, 651, 672, 698, 744, 768, 840, 868, 896, 930, 960, 992, 1047, 1085, 1120, 1240, 1280, 1302, 1344, 1396, 1488, 1680, 1736, 1745, 1792, 1860, 1920, 1984, 2094, 2170, 2240, 2443, 2480, 2604, 2688, 2792, 2976, 3255, 3360, 3472, 3490, 3720, 3840, 3968, 4188, 4340, 4480, 4886, 4960, 5208, 5235, 5376, 5584, 5952, 6510, 6720, 6944, 6980, 7329, 7440, 7936, 8376, 8680, 8960, 9772, 9920, 10416, 10470, 10819, 11168, 11904, 12215, 13020, 13440, 13888, 13960, 14658, 14880, 16752, 17360, 19544, 19840, 20832, 20940, 21638, 22336, 23808, 24430, 26040, 26880, 27776, 27920, 29316, 29760, 32457, 33504, 34720, 36645, 39088, 39680, 41664, 41880, 43276, 44672, 48860, 52080, 54095, 55552, 55840, 58632, 59520, 64914, 67008, 69440, 73290, 75733, 78176, 83328, 83760, 86552, 89344, 97720, 104160, 108190, 111680, 117264, 119040, 129828, 134016, 138880, 146580, 151466, 156352, 162285, 166656, 167520, 173104, 195440, 208320, 216380, 223360, 227199, 234528, 259656, 268032, 277760, 293160, 302932, 312704, 324570, 335040, 346208, 378665, 390880, 416640, 432760, 446720, 454398, 469056, 519312, 586320, 605864, 625408, 649140, 670080, 692416, 757330, 781760, 833280, 865520, 908796, 938112, 1038624, 1135995, 1172640, 1211728, 1298280, 1340160, 1384832, 1514660, 1563520, 1731040, 1817592, 1876224, 2077248, 2271990, 2345280, 2423456, 2596560, 2769664, 3029320, 3127040, 3462080, 3635184, 4154496, 4543980, 4690560, 4846912, 5193120, 6058640, 6924160, 7270368, 8308992, 9087960, 9381120, 9693824, 10386240, 12117280, 13848320, 14540736, 18175920, 19387648, 20772480, 24234560, 29081472, 36351840, 41544960, 48469120, 58162944, 72703680, 96938240, 145407360, 290814720]

約数ペア:

[(1, 290814720), (2, 145407360), (3, 96938240), (4, 72703680), (5, 58162944), (6, 48469120), (7, 41544960), (8, 36351840), (10, 29081472), (12, 24234560), (14, 20772480), (15, 19387648), (16, 18175920), (20, 14540736), (21, 13848320), (24, 12117280), (28, 10386240), (30, 9693824), (31, 9381120), (32, 9087960), (35, 8308992), (40, 7270368), (42, 6924160), (48, 6058640), (56, 5193120), (60, 4846912), (62, 4690560), (64, 4543980), (70, 4154496), (80, 3635184), (84, 3462080), (93, 3127040), (96, 3029320), (105, 2769664), (112, 2596560), (120, 2423456), (124, 2345280), (128, 2271990), (140, 2077248), (155, 1876224), (160, 1817592), (168, 1731040), (186, 1563520), (192, 1514660), (210, 1384832), (217, 1340160), (224, 1298280), (240, 1211728), (248, 1172640), (256, 1135995), (280, 1038624), (310, 938112), (320, 908796), (336, 865520), (349, 833280), (372, 781760), (384, 757330), (420, 692416), (434, 670080), (448, 649140), (465, 625408), (480, 605864), (496, 586320), (560, 519312), (620, 469056), (640, 454398), (651, 446720), (672, 432760), (698, 416640), (744, 390880), (768, 378665), (840, 346208), (868, 335040), (896, 324570), (930, 312704), (960, 302932), (992, 293160), (1047, 277760), (1085, 268032), (1120, 259656), (1240, 234528), (1280, 227199), (1302, 223360), (1344, 216380), (1396, 208320), (1488, 195440), (1680, 173104), (1736, 167520), (1745, 166656), (1792, 162285), (1860, 156352), (1920, 151466), (1984, 146580), (2094, 138880), (2170, 134016), (2240, 129828), (2443, 119040), (2480, 117264), (2604, 111680), (2688, 108190), (2792, 104160), (2976, 97720), (3255, 89344), (3360, 86552), (3472, 83760), (3490, 83328), (3720, 78176), (3840, 75733), (3968, 73290), (4188, 69440), (4340, 67008), (4480, 64914), (4886, 59520), (4960, 58632), (5208, 55840), (5235, 55552), (5376, 54095), (5584, 52080), (5952, 48860), (6510, 44672), (6720, 43276), (6944, 41880), (6980, 41664), (7329, 39680), (7440, 39088), (7936, 36645), (8376, 34720), (8680, 33504), (8960, 32457), (9772, 29760), (9920, 29316), (10416, 27920), (10470, 27776), (10819, 26880), (11168, 26040), (11904, 24430), (12215, 23808), (13020, 22336), (13440, 21638), (13888, 20940), (13960, 20832), (14658, 19840), (14880, 19544), (16752, 17360)]