261807840

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1367}}^1$

素因数の和:1414

約数の個数: 288

約数和(自身を含む): 1075576320

約数和(自身を除く): 813768480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 96, 105, 112, 114, 120, 126, 133, 140, 144, 152, 160, 168, 171, 180, 190, 210, 224, 228, 240, 252, 266, 280, 285, 288, 304, 315, 336, 342, 360, 380, 399, 420, 456, 480, 504, 532, 560, 570, 608, 630, 665, 672, 684, 720, 760, 798, 840, 855, 912, 1008, 1064, 1120, 1140, 1197, 1260, 1330, 1367, 1368, 1440, 1520, 1596, 1680, 1710, 1824, 1995, 2016, 2128, 2280, 2394, 2520, 2660, 2734, 2736, 3040, 3192, 3360, 3420, 3990, 4101, 4256, 4560, 4788, 5040, 5320, 5468, 5472, 5985, 6384, 6835, 6840, 7980, 8202, 9120, 9569, 9576, 10080, 10640, 10936, 11970, 12303, 12768, 13670, 13680, 15960, 16404, 19138, 19152, 20505, 21280, 21872, 23940, 24606, 25973, 27340, 27360, 28707, 31920, 32808, 38276, 38304, 41010, 43744, 47845, 47880, 49212, 51946, 54680, 57414, 61515, 63840, 65616, 76552, 77919, 82020, 86121, 95690, 95760, 98424, 103892, 109360, 114828, 123030, 129865, 131232, 143535, 153104, 155838, 164040, 172242, 181811, 191380, 191520, 196848, 207784, 218720, 229656, 233757, 246060, 259730, 287070, 306208, 311676, 328080, 344484, 363622, 382760, 389595, 393696, 415568, 430605, 459312, 467514, 492120, 519460, 545433, 574140, 623352, 656160, 688968, 727244, 765520, 779190, 831136, 861210, 909055, 918624, 935028, 984240, 1038920, 1090866, 1148280, 1168785, 1246704, 1377936, 1454488, 1531040, 1558380, 1636299, 1722420, 1818110, 1870056, 1968480, 2077840, 2181732, 2296560, 2337570, 2493408, 2727165, 2755872, 2908976, 3116760, 3272598, 3444840, 3636220, 3740112, 4155680, 4363464, 4593120, 4675140, 5454330, 5817952, 6233520, 6545196, 6889680, 7272440, 7480224, 8181495, 8726928, 9350280, 10908660, 12467040, 13090392, 13779360, 14544880, 16362990, 17453856, 18700560, 21817320, 26180784, 29089760, 32725980, 37401120, 43634640, 52361568, 65451960, 87269280, 130903920, 261807840]

約数ペア:

[(1, 261807840), (2, 130903920), (3, 87269280), (4, 65451960), (5, 52361568), (6, 43634640), (7, 37401120), (8, 32725980), (9, 29089760), (10, 26180784), (12, 21817320), (14, 18700560), (15, 17453856), (16, 16362990), (18, 14544880), (19, 13779360), (20, 13090392), (21, 12467040), (24, 10908660), (28, 9350280), (30, 8726928), (32, 8181495), (35, 7480224), (36, 7272440), (38, 6889680), (40, 6545196), (42, 6233520), (45, 5817952), (48, 5454330), (56, 4675140), (57, 4593120), (60, 4363464), (63, 4155680), (70, 3740112), (72, 3636220), (76, 3444840), (80, 3272598), (84, 3116760), (90, 2908976), (95, 2755872), (96, 2727165), (105, 2493408), (112, 2337570), (114, 2296560), (120, 2181732), (126, 2077840), (133, 1968480), (140, 1870056), (144, 1818110), (152, 1722420), (160, 1636299), (168, 1558380), (171, 1531040), (180, 1454488), (190, 1377936), (210, 1246704), (224, 1168785), (228, 1148280), (240, 1090866), (252, 1038920), (266, 984240), (280, 935028), (285, 918624), (288, 909055), (304, 861210), (315, 831136), (336, 779190), (342, 765520), (360, 727244), (380, 688968), (399, 656160), (420, 623352), (456, 574140), (480, 545433), (504, 519460), (532, 492120), (560, 467514), (570, 459312), (608, 430605), (630, 415568), (665, 393696), (672, 389595), (684, 382760), (720, 363622), (760, 344484), (798, 328080), (840, 311676), (855, 306208), (912, 287070), (1008, 259730), (1064, 246060), (1120, 233757), (1140, 229656), (1197, 218720), (1260, 207784), (1330, 196848), (1367, 191520), (1368, 191380), (1440, 181811), (1520, 172242), (1596, 164040), (1680, 155838), (1710, 153104), (1824, 143535), (1995, 131232), (2016, 129865), (2128, 123030), (2280, 114828), (2394, 109360), (2520, 103892), (2660, 98424), (2734, 95760), (2736, 95690), (3040, 86121), (3192, 82020), (3360, 77919), (3420, 76552), (3990, 65616), (4101, 63840), (4256, 61515), (4560, 57414), (4788, 54680), (5040, 51946), (5320, 49212), (5468, 47880), (5472, 47845), (5985, 43744), (6384, 41010), (6835, 38304), (6840, 38276), (7980, 32808), (8202, 31920), (9120, 28707), (9569, 27360), (9576, 27340), (10080, 25973), (10640, 24606), (10936, 23940), (11970, 21872), (12303, 21280), (12768, 20505), (13670, 19152), (13680, 19138), (15960, 16404)]