260658720

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1361}}^1$

素因数の和:1408

約数の個数: 288

約数和(自身を含む): 1070858880

約数和(自身を除く): 810200160

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, 1361, 1368, 1440, 1520, 1596, 1680, 1710, 1824, 1995, 2016, 2128, 2280, 2394, 2520, 2660, 2722, 2736, 3040, 3192, 3360, 3420, 3990, 4083, 4256, 4560, 4788, 5040, 5320, 5444, 5472, 5985, 6384, 6805, 6840, 7980, 8166, 9120, 9527, 9576, 10080, 10640, 10888, 11970, 12249, 12768, 13610, 13680, 15960, 16332, 19054, 19152, 20415, 21280, 21776, 23940, 24498, 25859, 27220, 27360, 28581, 31920, 32664, 38108, 38304, 40830, 43552, 47635, 47880, 48996, 51718, 54440, 57162, 61245, 63840, 65328, 76216, 77577, 81660, 85743, 95270, 95760, 97992, 103436, 108880, 114324, 122490, 129295, 130656, 142905, 152432, 155154, 163320, 171486, 181013, 190540, 191520, 195984, 206872, 217760, 228648, 232731, 244980, 258590, 285810, 304864, 310308, 326640, 342972, 362026, 381080, 387885, 391968, 413744, 428715, 457296, 465462, 489960, 517180, 543039, 571620, 620616, 653280, 685944, 724052, 762160, 775770, 827488, 857430, 905065, 914592, 930924, 979920, 1034360, 1086078, 1143240, 1163655, 1241232, 1371888, 1448104, 1524320, 1551540, 1629117, 1714860, 1810130, 1861848, 1959840, 2068720, 2172156, 2286480, 2327310, 2482464, 2715195, 2743776, 2896208, 3103080, 3258234, 3429720, 3620260, 3723696, 4137440, 4344312, 4572960, 4654620, 5430390, 5792416, 6206160, 6516468, 6859440, 7240520, 7447392, 8145585, 8688624, 9309240, 10860780, 12412320, 13032936, 13718880, 14481040, 16291170, 17377248, 18618480, 21721560, 26065872, 28962080, 32582340, 37236960, 43443120, 52131744, 65164680, 86886240, 130329360, 260658720]

約数ペア:

[(1, 260658720), (2, 130329360), (3, 86886240), (4, 65164680), (5, 52131744), (6, 43443120), (7, 37236960), (8, 32582340), (9, 28962080), (10, 26065872), (12, 21721560), (14, 18618480), (15, 17377248), (16, 16291170), (18, 14481040), (19, 13718880), (20, 13032936), (21, 12412320), (24, 10860780), (28, 9309240), (30, 8688624), (32, 8145585), (35, 7447392), (36, 7240520), (38, 6859440), (40, 6516468), (42, 6206160), (45, 5792416), (48, 5430390), (56, 4654620), (57, 4572960), (60, 4344312), (63, 4137440), (70, 3723696), (72, 3620260), (76, 3429720), (80, 3258234), (84, 3103080), (90, 2896208), (95, 2743776), (96, 2715195), (105, 2482464), (112, 2327310), (114, 2286480), (120, 2172156), (126, 2068720), (133, 1959840), (140, 1861848), (144, 1810130), (152, 1714860), (160, 1629117), (168, 1551540), (171, 1524320), (180, 1448104), (190, 1371888), (210, 1241232), (224, 1163655), (228, 1143240), (240, 1086078), (252, 1034360), (266, 979920), (280, 930924), (285, 914592), (288, 905065), (304, 857430), (315, 827488), (336, 775770), (342, 762160), (360, 724052), (380, 685944), (399, 653280), (420, 620616), (456, 571620), (480, 543039), (504, 517180), (532, 489960), (560, 465462), (570, 457296), (608, 428715), (630, 413744), (665, 391968), (672, 387885), (684, 381080), (720, 362026), (760, 342972), (798, 326640), (840, 310308), (855, 304864), (912, 285810), (1008, 258590), (1064, 244980), (1120, 232731), (1140, 228648), (1197, 217760), (1260, 206872), (1330, 195984), (1361, 191520), (1368, 190540), (1440, 181013), (1520, 171486), (1596, 163320), (1680, 155154), (1710, 152432), (1824, 142905), (1995, 130656), (2016, 129295), (2128, 122490), (2280, 114324), (2394, 108880), (2520, 103436), (2660, 97992), (2722, 95760), (2736, 95270), (3040, 85743), (3192, 81660), (3360, 77577), (3420, 76216), (3990, 65328), (4083, 63840), (4256, 61245), (4560, 57162), (4788, 54440), (5040, 51718), (5320, 48996), (5444, 47880), (5472, 47635), (5985, 43552), (6384, 40830), (6805, 38304), (6840, 38108), (7980, 32664), (8166, 31920), (9120, 28581), (9527, 27360), (9576, 27220), (10080, 25859), (10640, 24498), (10888, 23940), (11970, 21776), (12249, 21280), (12768, 20415), (13610, 19152), (13680, 19054), (15960, 16332)]