256979520

素因数分解:

$2^6\times 3^3\times 5^1\times 7^2\times {\mathrm{607}}^1$

素因数の和:647

約数の個数: 336

約数和(自身を含む): 1056314880

約数和(自身を除く): 799335360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 160, 168, 180, 189, 192, 196, 210, 216, 224, 240, 245, 252, 270, 280, 288, 294, 315, 320, 336, 360, 378, 392, 420, 432, 441, 448, 480, 490, 504, 540, 560, 576, 588, 607, 630, 672, 720, 735, 756, 784, 840, 864, 882, 945, 960, 980, 1008, 1080, 1120, 1176, 1214, 1260, 1323, 1344, 1440, 1470, 1512, 1568, 1680, 1728, 1764, 1821, 1890, 1960, 2016, 2160, 2205, 2240, 2352, 2428, 2520, 2646, 2880, 2940, 3024, 3035, 3136, 3360, 3528, 3642, 3780, 3920, 4032, 4249, 4320, 4410, 4704, 4856, 5040, 5292, 5463, 5880, 6048, 6070, 6615, 6720, 7056, 7284, 7560, 7840, 8498, 8640, 8820, 9105, 9408, 9712, 10080, 10584, 10926, 11760, 12096, 12140, 12747, 13230, 14112, 14568, 15120, 15680, 16389, 16996, 17640, 18210, 19424, 20160, 21168, 21245, 21852, 23520, 24280, 25494, 26460, 27315, 28224, 29136, 29743, 30240, 32778, 33992, 35280, 36420, 38241, 38848, 42336, 42490, 43704, 47040, 48560, 50988, 52920, 54630, 58272, 59486, 60480, 63735, 65556, 67984, 70560, 72840, 76482, 81945, 84672, 84980, 87408, 89229, 97120, 101976, 105840, 109260, 114723, 116544, 118972, 127470, 131112, 135968, 141120, 145680, 148715, 152964, 163890, 169960, 174816, 178458, 191205, 194240, 203952, 211680, 218520, 229446, 237944, 254940, 262224, 267687, 271936, 291360, 297430, 305928, 327780, 339920, 349632, 356916, 382410, 407904, 423360, 437040, 446145, 458892, 475888, 509880, 524448, 535374, 573615, 582720, 594860, 611856, 655560, 679840, 713832, 764820, 803061, 815808, 874080, 892290, 917784, 951776, 1019760, 1048896, 1070748, 1147230, 1189720, 1223712, 1311120, 1338435, 1359680, 1427664, 1529640, 1606122, 1748160, 1784580, 1835568, 1903552, 2039520, 2141496, 2294460, 2379440, 2447424, 2622240, 2676870, 2855328, 3059280, 3212244, 3569160, 3671136, 4015305, 4079040, 4282992, 4588920, 4758880, 5244480, 5353740, 5710656, 6118560, 6424488, 7138320, 7342272, 8030610, 8565984, 9177840, 9517760, 10707480, 12237120, 12848976, 14276640, 16061220, 17131968, 18355680, 21414960, 25697952, 28553280, 32122440, 36711360, 42829920, 51395904, 64244880, 85659840, 128489760, 256979520]

約数ペア:

[(1, 256979520), (2, 128489760), (3, 85659840), (4, 64244880), (5, 51395904), (6, 42829920), (7, 36711360), (8, 32122440), (9, 28553280), (10, 25697952), (12, 21414960), (14, 18355680), (15, 17131968), (16, 16061220), (18, 14276640), (20, 12848976), (21, 12237120), (24, 10707480), (27, 9517760), (28, 9177840), (30, 8565984), (32, 8030610), (35, 7342272), (36, 7138320), (40, 6424488), (42, 6118560), (45, 5710656), (48, 5353740), (49, 5244480), (54, 4758880), (56, 4588920), (60, 4282992), (63, 4079040), (64, 4015305), (70, 3671136), (72, 3569160), (80, 3212244), (84, 3059280), (90, 2855328), (96, 2676870), (98, 2622240), (105, 2447424), (108, 2379440), (112, 2294460), (120, 2141496), (126, 2039520), (135, 1903552), (140, 1835568), (144, 1784580), (147, 1748160), (160, 1606122), (168, 1529640), (180, 1427664), (189, 1359680), (192, 1338435), (196, 1311120), (210, 1223712), (216, 1189720), (224, 1147230), (240, 1070748), (245, 1048896), (252, 1019760), (270, 951776), (280, 917784), (288, 892290), (294, 874080), (315, 815808), (320, 803061), (336, 764820), (360, 713832), (378, 679840), (392, 655560), (420, 611856), (432, 594860), (441, 582720), (448, 573615), (480, 535374), (490, 524448), (504, 509880), (540, 475888), (560, 458892), (576, 446145), (588, 437040), (607, 423360), (630, 407904), (672, 382410), (720, 356916), (735, 349632), (756, 339920), (784, 327780), (840, 305928), (864, 297430), (882, 291360), (945, 271936), (960, 267687), (980, 262224), (1008, 254940), (1080, 237944), (1120, 229446), (1176, 218520), (1214, 211680), (1260, 203952), (1323, 194240), (1344, 191205), (1440, 178458), (1470, 174816), (1512, 169960), (1568, 163890), (1680, 152964), (1728, 148715), (1764, 145680), (1821, 141120), (1890, 135968), (1960, 131112), (2016, 127470), (2160, 118972), (2205, 116544), (2240, 114723), (2352, 109260), (2428, 105840), (2520, 101976), (2646, 97120), (2880, 89229), (2940, 87408), (3024, 84980), (3035, 84672), (3136, 81945), (3360, 76482), (3528, 72840), (3642, 70560), (3780, 67984), (3920, 65556), (4032, 63735), (4249, 60480), (4320, 59486), (4410, 58272), (4704, 54630), (4856, 52920), (5040, 50988), (5292, 48560), (5463, 47040), (5880, 43704), (6048, 42490), (6070, 42336), (6615, 38848), (6720, 38241), (7056, 36420), (7284, 35280), (7560, 33992), (7840, 32778), (8498, 30240), (8640, 29743), (8820, 29136), (9105, 28224), (9408, 27315), (9712, 26460), (10080, 25494), (10584, 24280), (10926, 23520), (11760, 21852), (12096, 21245), (12140, 21168), (12747, 20160), (13230, 19424), (14112, 18210), (14568, 17640), (15120, 16996), (15680, 16389)]