640821662208

素因数分解:

$2^9\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{401}}^1$

素因数の和:585

約数の個数: 960

約数和(自身を含む): 2366355543552

約数和(自身を除く): 1725533881344

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 37, 39, 42, 48, 52, 56, 63, 64, 72, 74, 78, 84, 91, 96, 103, 104, 111, 112, 117, 126, 128, 144, 148, 156, 168, 182, 192, 206, 208, 222, 224, 234, 252, 256, 259, 273, 288, 296, 309, 312, 333, 336, 364, 384, 401, 412, 416, 444, 448, 468, 481, 504, 512, 518, 546, 576, 592, 618, 624, 666, 672, 721, 728, 768, 777, 802, 819, 824, 832, 888, 896, 927, 936, 962, 1008, 1036, 1092, 1152, 1184, 1203, 1236, 1248, 1332, 1339, 1344, 1442, 1443, 1456, 1536, 1554, 1604, 1638, 1648, 1664, 1776, 1792, 1854, 1872, 1924, 2016, 2072, 2163, 2184, 2304, 2331, 2368, 2406, 2472, 2496, 2664, 2678, 2688, 2807, 2884, 2886, 2912, 3108, 3208, 3276, 3296, 3328, 3367, 3552, 3584, 3609, 3708, 3744, 3811, 3848, 4017, 4032, 4144, 4326, 4329, 4368, 4608, 4662, 4736, 4812, 4944, 4992, 5213, 5328, 5356, 5376, 5614, 5768, 5772, 5824, 6216, 6416, 6489, 6552, 6592, 6656, 6734, 7104, 7218, 7416, 7488, 7622, 7696, 8034, 8064, 8288, 8421, 8652, 8658, 8736, 9324, 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91545951744, 106803610368, 160205415552, 213607220736, 320410831104, 640821662208]

約数ペア:

[(1, 640821662208), (2, 320410831104), (3, 213607220736), (4, 160205415552), (6, 106803610368), (7, 91545951744), (8, 80102707776), (9, 71202406912), (12, 53401805184), (13, 49293974016), (14, 45772975872), (16, 40051353888), (18, 35601203456), (21, 30515317248), (24, 26700902592), (26, 24646987008), (28, 22886487936), (32, 20025676944), (36, 17800601728), (37, 17319504384), (39, 16431324672), (42, 15257658624), (48, 13350451296), (52, 12323493504), (56, 11443243968), (63, 10171772416), (64, 10012838472), (72, 8900300864), (74, 8659752192), (78, 8215662336), (84, 7628829312), (91, 7041996288), (96, 6675225648), (103, 6221569536), (104, 6161746752), (111, 5773168128), (112, 5721621984), (117, 5477108224), (126, 5085886208), (128, 5006419236), (144, 4450150432), (148, 4329876096), (156, 4107831168), (168, 3814414656), (182, 3520998144), (192, 3337612824), (206, 3110784768), (208, 3080873376), (222, 2886584064), (224, 2860810992), (234, 2738554112), (252, 2542943104), (256, 2503209618), (259, 2474214912), (273, 2347332096), (288, 2225075216), (296, 2164938048), (309, 2073856512), (312, 2053915584), (333, 1924389376), (336, 1907207328), (364, 1760499072), (384, 1668806412), (401, 1598059008), (412, 1555392384), (416, 1540436688), (444, 1443292032), (448, 1430405496), (468, 1369277056), (481, 1332269568), (504, 1271471552), (512, 1251604809), (518, 1237107456), (546, 1173666048), (576, 1112537608), (592, 1082469024), (618, 1036928256), (624, 1026957792), (666, 962194688), (672, 953603664), (721, 888795648), (728, 880249536), (768, 834403206), (777, 824738304), (802, 799029504), (819, 782444032), (824, 777696192), (832, 770218344), (888, 721646016), (896, 715202748), (927, 691285504), (936, 684638528), (962, 666134784), (1008, 635735776), (1036, 618553728), (1092, 586833024), (1152, 556268804), (1184, 541234512), (1203, 532686336), (1236, 518464128), (1248, 513478896), (1332, 481097344), (1339, 478582272), (1344, 476801832), (1442, 444397824), (1443, 444089856), (1456, 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(771264, 830872), (771524, 830592), (792688, 808416)]