261696240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{383}}^1$

素因数の和:488

約数の個数: 240

約数和(自身を含む): 961938432

約数和(自身を除く): 700242192

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 73, 78, 80, 90, 104, 117, 120, 130, 144, 146, 156, 180, 195, 208, 219, 234, 240, 260, 292, 312, 360, 365, 383, 390, 438, 468, 520, 584, 585, 624, 657, 720, 730, 766, 780, 876, 936, 949, 1040, 1095, 1149, 1168, 1170, 1314, 1460, 1532, 1560, 1752, 1872, 1898, 1915, 2190, 2298, 2340, 2628, 2847, 2920, 3064, 3120, 3285, 3447, 3504, 3796, 3830, 4380, 4596, 4680, 4745, 4979, 5256, 5694, 5745, 5840, 6128, 6570, 6894, 7592, 7660, 8541, 8760, 9192, 9360, 9490, 9958, 10512, 11388, 11490, 13140, 13788, 14235, 14937, 15184, 15320, 17082, 17235, 17520, 18384, 18980, 19916, 22776, 22980, 24895, 26280, 27576, 27959, 28470, 29874, 30640, 34164, 34470, 37960, 39832, 42705, 44811, 45552, 45960, 49790, 52560, 55152, 55918, 56940, 59748, 68328, 68940, 74685, 75920, 79664, 83877, 85410, 89622, 91920, 99580, 111836, 113880, 119496, 136656, 137880, 139795, 149370, 167754, 170820, 179244, 199160, 223672, 224055, 227760, 238992, 251631, 275760, 279590, 298740, 335508, 341640, 358488, 363467, 398320, 419385, 447344, 448110, 503262, 559180, 597480, 671016, 683280, 716976, 726934, 838770, 896220, 1006524, 1090401, 1118360, 1194960, 1258155, 1342032, 1453868, 1677540, 1792440, 1817335, 2013048, 2180802, 2236720, 2516310, 2907736, 3271203, 3355080, 3584880, 3634670, 4026096, 4361604, 5032620, 5452005, 5815472, 6542406, 6710160, 7269340, 8723208, 10065240, 10904010, 13084812, 14538680, 16356015, 17446416, 20130480, 21808020, 26169624, 29077360, 32712030, 43616040, 52339248, 65424060, 87232080, 130848120, 261696240]

約数ペア:

[(1, 261696240), (2, 130848120), (3, 87232080), (4, 65424060), (5, 52339248), (6, 43616040), (8, 32712030), (9, 29077360), (10, 26169624), (12, 21808020), (13, 20130480), (15, 17446416), (16, 16356015), (18, 14538680), (20, 13084812), (24, 10904010), (26, 10065240), (30, 8723208), (36, 7269340), (39, 6710160), (40, 6542406), (45, 5815472), (48, 5452005), (52, 5032620), (60, 4361604), (65, 4026096), (72, 3634670), (73, 3584880), (78, 3355080), (80, 3271203), (90, 2907736), (104, 2516310), (117, 2236720), (120, 2180802), (130, 2013048), (144, 1817335), (146, 1792440), (156, 1677540), (180, 1453868), (195, 1342032), (208, 1258155), (219, 1194960), (234, 1118360), (240, 1090401), (260, 1006524), (292, 896220), (312, 838770), (360, 726934), (365, 716976), (383, 683280), (390, 671016), (438, 597480), (468, 559180), (520, 503262), (584, 448110), (585, 447344), (624, 419385), (657, 398320), (720, 363467), (730, 358488), (766, 341640), (780, 335508), (876, 298740), (936, 279590), (949, 275760), (1040, 251631), (1095, 238992), (1149, 227760), (1168, 224055), (1170, 223672), (1314, 199160), (1460, 179244), (1532, 170820), (1560, 167754), (1752, 149370), (1872, 139795), (1898, 137880), (1915, 136656), (2190, 119496), (2298, 113880), (2340, 111836), (2628, 99580), (2847, 91920), (2920, 89622), (3064, 85410), (3120, 83877), (3285, 79664), (3447, 75920), (3504, 74685), (3796, 68940), (3830, 68328), (4380, 59748), (4596, 56940), (4680, 55918), (4745, 55152), (4979, 52560), (5256, 49790), (5694, 45960), (5745, 45552), (5840, 44811), (6128, 42705), (6570, 39832), (6894, 37960), (7592, 34470), (7660, 34164), (8541, 30640), (8760, 29874), (9192, 28470), (9360, 27959), (9490, 27576), (9958, 26280), (10512, 24895), (11388, 22980), (11490, 22776), (13140, 19916), (13788, 18980), (14235, 18384), (14937, 17520), (15184, 17235), (15320, 17082)]