64782720

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:214

約数の個数: 256

約数和(自身を含む): 240883200

約数和(自身を除く): 176100480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 64, 69, 72, 80, 90, 92, 96, 108, 115, 120, 128, 135, 138, 144, 160, 163, 180, 184, 192, 207, 216, 230, 240, 270, 276, 288, 320, 326, 345, 360, 368, 384, 414, 432, 460, 480, 489, 540, 552, 576, 621, 640, 652, 690, 720, 736, 815, 828, 864, 920, 960, 978, 1035, 1080, 1104, 1152, 1242, 1304, 1380, 1440, 1467, 1472, 1630, 1656, 1728, 1840, 1920, 1956, 2070, 2160, 2208, 2445, 2484, 2608, 2760, 2880, 2934, 2944, 3105, 3260, 3312, 3456, 3680, 3749, 3912, 4140, 4320, 4401, 4416, 4890, 4968, 5216, 5520, 5760, 5868, 6210, 6520, 6624, 7335, 7360, 7498, 7824, 8280, 8640, 8802, 8832, 9780, 9936, 10432, 11040, 11247, 11736, 12420, 13040, 13248, 14670, 14720, 14996, 15648, 16560, 17280, 17604, 18745, 19560, 19872, 20864, 22005, 22080, 22494, 23472, 24840, 26080, 26496, 29340, 29992, 31296, 33120, 33741, 35208, 37490, 39120, 39744, 44010, 44160, 44988, 46944, 49680, 52160, 56235, 58680, 59984, 62592, 66240, 67482, 70416, 74980, 78240, 79488, 88020, 89976, 93888, 99360, 101223, 104320, 112470, 117360, 119968, 132480, 134964, 140832, 149960, 156480, 168705, 176040, 179952, 187776, 198720, 202446, 224940, 234720, 239936, 269928, 281664, 299920, 312960, 337410, 352080, 359904, 397440, 404892, 449880, 469440, 479872, 506115, 539856, 563328, 599840, 674820, 704160, 719808, 809784, 899760, 938880, 1012230, 1079712, 1199680, 1349640, 1408320, 1439616, 1619568, 1799520, 2024460, 2159424, 2399360, 2699280, 2816640, 3239136, 3599040, 4048920, 4318848, 5398560, 6478272, 7198080, 8097840, 10797120, 12956544, 16195680, 21594240, 32391360, 64782720]

約数ペア:

[(1, 64782720), (2, 32391360), (3, 21594240), (4, 16195680), (5, 12956544), (6, 10797120), (8, 8097840), (9, 7198080), (10, 6478272), (12, 5398560), (15, 4318848), (16, 4048920), (18, 3599040), (20, 3239136), (23, 2816640), (24, 2699280), (27, 2399360), (30, 2159424), (32, 2024460), (36, 1799520), (40, 1619568), (45, 1439616), (46, 1408320), (48, 1349640), (54, 1199680), (60, 1079712), (64, 1012230), (69, 938880), (72, 899760), (80, 809784), (90, 719808), (92, 704160), (96, 674820), (108, 599840), (115, 563328), (120, 539856), (128, 506115), (135, 479872), (138, 469440), (144, 449880), (160, 404892), (163, 397440), (180, 359904), (184, 352080), (192, 337410), (207, 312960), (216, 299920), (230, 281664), (240, 269928), (270, 239936), (276, 234720), (288, 224940), (320, 202446), (326, 198720), (345, 187776), (360, 179952), (368, 176040), (384, 168705), (414, 156480), (432, 149960), (460, 140832), (480, 134964), (489, 132480), (540, 119968), (552, 117360), (576, 112470), (621, 104320), (640, 101223), (652, 99360), (690, 93888), (720, 89976), (736, 88020), (815, 79488), (828, 78240), (864, 74980), (920, 70416), (960, 67482), (978, 66240), (1035, 62592), (1080, 59984), (1104, 58680), (1152, 56235), (1242, 52160), (1304, 49680), (1380, 46944), (1440, 44988), (1467, 44160), (1472, 44010), (1630, 39744), (1656, 39120), (1728, 37490), (1840, 35208), (1920, 33741), (1956, 33120), (2070, 31296), (2160, 29992), (2208, 29340), (2445, 26496), (2484, 26080), (2608, 24840), (2760, 23472), (2880, 22494), (2934, 22080), (2944, 22005), (3105, 20864), (3260, 19872), (3312, 19560), (3456, 18745), (3680, 17604), (3749, 17280), (3912, 16560), (4140, 15648), (4320, 14996), (4401, 14720), (4416, 14670), (4890, 13248), (4968, 13040), (5216, 12420), (5520, 11736), (5760, 11247), (5868, 11040), (6210, 10432), (6520, 9936), (6624, 9780), (7335, 8832), (7360, 8802), (7498, 8640), (7824, 8280)]