256732560

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:435

約数の個数: 360

約数和(自身を含む): 1058503680

約数和(自身を除く): 801771120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 48, 49, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 98, 105, 112, 114, 120, 126, 133, 140, 144, 147, 152, 168, 171, 180, 190, 196, 210, 228, 240, 245, 252, 266, 280, 285, 294, 304, 315, 336, 342, 360, 380, 383, 392, 399, 420, 441, 456, 490, 504, 532, 560, 570, 588, 630, 665, 684, 720, 735, 760, 766, 784, 798, 840, 855, 882, 912, 931, 980, 1008, 1064, 1140, 1149, 1176, 1197, 1260, 1330, 1368, 1470, 1520, 1532, 1596, 1680, 1710, 1764, 1862, 1915, 1960, 1995, 2128, 2205, 2280, 2298, 2352, 2394, 2520, 2660, 2681, 2736, 2793, 2940, 3064, 3192, 3420, 3447, 3528, 3724, 3830, 3920, 3990, 4410, 4560, 4596, 4655, 4788, 5040, 5320, 5362, 5586, 5745, 5880, 5985, 6128, 6384, 6840, 6894, 7056, 7277, 7448, 7660, 7980, 8043, 8379, 8820, 9192, 9310, 9576, 10640, 10724, 11172, 11490, 11760, 11970, 13405, 13680, 13788, 13965, 14554, 14896, 15320, 15960, 16086, 16758, 17235, 17640, 18384, 18620, 18767, 19152, 21448, 21831, 22344, 22980, 23940, 24129, 26810, 27576, 27930, 29108, 30640, 31920, 32172, 33516, 34470, 35280, 36385, 37240, 37534, 40215, 41895, 42896, 43662, 44688, 45960, 47880, 48258, 50939, 53620, 55152, 55860, 56301, 58216, 64344, 65493, 67032, 68940, 72770, 74480, 75068, 80430, 83790, 87324, 91920, 93835, 95760, 96516, 101878, 107240, 109155, 111720, 112602, 116432, 120645, 128688, 130986, 134064, 137880, 145540, 150136, 152817, 160860, 167580, 168903, 174648, 187670, 193032, 203756, 214480, 218310, 223440, 225204, 241290, 254695, 261972, 275760, 281505, 291080, 300272, 305634, 321720, 327465, 335160, 337806, 349296, 356573, 375340, 386064, 407512, 436620, 450408, 458451, 482580, 509390, 523944, 563010, 582160, 611268, 643440, 654930, 670320, 675612, 713146, 750680, 764085, 815024, 844515, 873240, 900816, 916902, 965160, 1018780, 1047888, 1069719, 1126020, 1222536, 1309860, 1351224, 1426292, 1501360, 1528170, 1689030, 1746480, 1782865, 1833804, 1930320, 2037560, 2139438, 2252040, 2292255, 2445072, 2619720, 2702448, 2852584, 3056340, 3209157, 3378060, 3565730, 3667608, 4075120, 4278876, 4504080, 4584510, 5239440, 5348595, 5705168, 6112680, 6418314, 6756120, 7131460, 7335216, 8557752, 9169020, 10697190, 12225360, 12836628, 13512240, 14262920, 16045785, 17115504, 18338040, 21394380, 25673256, 28525840, 32091570, 36676080, 42788760, 51346512, 64183140, 85577520, 128366280, 256732560]

約数ペア:

[(1, 256732560), (2, 128366280), (3, 85577520), (4, 64183140), (5, 51346512), (6, 42788760), (7, 36676080), (8, 32091570), (9, 28525840), (10, 25673256), (12, 21394380), (14, 18338040), (15, 17115504), (16, 16045785), (18, 14262920), (19, 13512240), (20, 12836628), (21, 12225360), (24, 10697190), (28, 9169020), (30, 8557752), (35, 7335216), (36, 7131460), (38, 6756120), (40, 6418314), (42, 6112680), (45, 5705168), (48, 5348595), (49, 5239440), (56, 4584510), (57, 4504080), (60, 4278876), (63, 4075120), (70, 3667608), (72, 3565730), (76, 3378060), (80, 3209157), (84, 3056340), (90, 2852584), (95, 2702448), (98, 2619720), (105, 2445072), (112, 2292255), (114, 2252040), (120, 2139438), (126, 2037560), (133, 1930320), (140, 1833804), (144, 1782865), (147, 1746480), (152, 1689030), (168, 1528170), (171, 1501360), (180, 1426292), (190, 1351224), (196, 1309860), (210, 1222536), (228, 1126020), (240, 1069719), (245, 1047888), (252, 1018780), (266, 965160), (280, 916902), (285, 900816), (294, 873240), (304, 844515), (315, 815024), (336, 764085), (342, 750680), (360, 713146), (380, 675612), (383, 670320), (392, 654930), (399, 643440), (420, 611268), (441, 582160), (456, 563010), (490, 523944), (504, 509390), (532, 482580), (560, 458451), (570, 450408), (588, 436620), (630, 407512), (665, 386064), (684, 375340), (720, 356573), (735, 349296), (760, 337806), (766, 335160), (784, 327465), (798, 321720), (840, 305634), (855, 300272), (882, 291080), (912, 281505), (931, 275760), (980, 261972), (1008, 254695), (1064, 241290), (1140, 225204), (1149, 223440), (1176, 218310), (1197, 214480), (1260, 203756), (1330, 193032), (1368, 187670), (1470, 174648), (1520, 168903), (1532, 167580), (1596, 160860), (1680, 152817), (1710, 150136), (1764, 145540), (1862, 137880), (1915, 134064), (1960, 130986), (1995, 128688), (2128, 120645), (2205, 116432), (2280, 112602), (2298, 111720), (2352, 109155), (2394, 107240), (2520, 101878), (2660, 96516), (2681, 95760), (2736, 93835), (2793, 91920), (2940, 87324), (3064, 83790), (3192, 80430), (3420, 75068), (3447, 74480), (3528, 72770), (3724, 68940), (3830, 67032), (3920, 65493), (3990, 64344), (4410, 58216), (4560, 56301), (4596, 55860), (4655, 55152), (4788, 53620), (5040, 50939), (5320, 48258), (5362, 47880), (5586, 45960), (5745, 44688), (5880, 43662), (5985, 42896), (6128, 41895), (6384, 40215), (6840, 37534), (6894, 37240), (7056, 36385), (7277, 35280), (7448, 34470), (7660, 33516), (7980, 32172), (8043, 31920), (8379, 30640), (8820, 29108), (9192, 27930), (9310, 27576), (9576, 26810), (10640, 24129), (10724, 23940), (11172, 22980), (11490, 22344), (11760, 21831), (11970, 21448), (13405, 19152), (13680, 18767), (13788, 18620), (13965, 18384), (14554, 17640), (14896, 17235), (15320, 16758), (15960, 16086)]