305287920

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:421

約数の個数: 320

約数和(自身を含む): 1225159680

約数和(自身を除く): 919871760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 61, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 122, 126, 135, 140, 144, 168, 180, 183, 189, 210, 216, 240, 244, 252, 270, 280, 305, 315, 331, 336, 360, 366, 378, 420, 427, 432, 488, 504, 540, 549, 560, 610, 630, 662, 720, 732, 756, 840, 854, 915, 945, 976, 993, 1008, 1080, 1098, 1220, 1260, 1281, 1324, 1464, 1512, 1647, 1655, 1680, 1708, 1830, 1890, 1986, 2135, 2160, 2196, 2317, 2440, 2520, 2562, 2648, 2745, 2928, 2979, 3024, 3294, 3310, 3416, 3660, 3780, 3843, 3972, 4270, 4392, 4634, 4880, 4965, 5040, 5124, 5296, 5490, 5958, 6405, 6588, 6620, 6832, 6951, 7320, 7560, 7686, 7944, 8235, 8540, 8784, 8937, 9268, 9930, 10248, 10980, 11529, 11585, 11916, 12810, 13176, 13240, 13902, 14640, 14895, 15120, 15372, 15888, 16470, 17080, 17874, 18536, 19215, 19860, 20191, 20496, 20853, 21960, 23058, 23170, 23832, 25620, 26352, 26480, 27804, 29790, 30744, 32940, 34160, 34755, 35748, 37072, 38430, 39720, 40382, 41706, 43920, 44685, 46116, 46340, 47664, 51240, 55608, 57645, 59580, 60573, 61488, 62559, 65880, 69510, 71496, 76860, 79440, 80764, 83412, 89370, 92232, 92680, 100955, 102480, 104265, 111216, 115290, 119160, 121146, 125118, 131760, 139020, 141337, 142992, 153720, 161528, 166824, 178740, 181719, 184464, 185360, 201910, 208530, 230580, 238320, 242292, 250236, 278040, 282674, 302865, 307440, 312795, 323056, 333648, 357480, 363438, 403820, 417060, 424011, 461160, 484584, 500472, 545157, 556080, 565348, 605730, 625590, 706685, 714960, 726876, 807640, 834120, 848022, 908595, 922320, 969168, 1000944, 1090314, 1130696, 1211460, 1251180, 1272033, 1413370, 1453752, 1615280, 1668240, 1696044, 1817190, 2120055, 2180628, 2261392, 2422920, 2502360, 2544066, 2725785, 2826740, 2907504, 3392088, 3634380, 3816099, 4240110, 4361256, 4845840, 5004720, 5088132, 5451570, 5653480, 6360165, 6784176, 7268760, 7632198, 8480220, 8722512, 10176264, 10903140, 11306960, 12720330, 14537520, 15264396, 16960440, 19080495, 20352528, 21806280, 25440660, 30528792, 33920880, 38160990, 43612560, 50881320, 61057584, 76321980, 101762640, 152643960, 305287920]

約数ペア:

[(1, 305287920), (2, 152643960), (3, 101762640), (4, 76321980), (5, 61057584), (6, 50881320), (7, 43612560), (8, 38160990), (9, 33920880), (10, 30528792), (12, 25440660), (14, 21806280), (15, 20352528), (16, 19080495), (18, 16960440), (20, 15264396), (21, 14537520), (24, 12720330), (27, 11306960), (28, 10903140), (30, 10176264), (35, 8722512), (36, 8480220), (40, 7632198), (42, 7268760), (45, 6784176), (48, 6360165), (54, 5653480), (56, 5451570), (60, 5088132), (61, 5004720), (63, 4845840), (70, 4361256), (72, 4240110), (80, 3816099), (84, 3634380), (90, 3392088), (105, 2907504), (108, 2826740), (112, 2725785), (120, 2544066), (122, 2502360), (126, 2422920), (135, 2261392), (140, 2180628), (144, 2120055), (168, 1817190), (180, 1696044), (183, 1668240), (189, 1615280), (210, 1453752), (216, 1413370), (240, 1272033), (244, 1251180), (252, 1211460), (270, 1130696), (280, 1090314), (305, 1000944), (315, 969168), (331, 922320), (336, 908595), (360, 848022), (366, 834120), (378, 807640), (420, 726876), (427, 714960), (432, 706685), (488, 625590), (504, 605730), (540, 565348), (549, 556080), (560, 545157), (610, 500472), (630, 484584), (662, 461160), (720, 424011), (732, 417060), (756, 403820), (840, 363438), (854, 357480), (915, 333648), (945, 323056), (976, 312795), (993, 307440), (1008, 302865), (1080, 282674), (1098, 278040), (1220, 250236), (1260, 242292), (1281, 238320), (1324, 230580), (1464, 208530), (1512, 201910), (1647, 185360), (1655, 184464), (1680, 181719), (1708, 178740), (1830, 166824), (1890, 161528), (1986, 153720), (2135, 142992), (2160, 141337), (2196, 139020), (2317, 131760), (2440, 125118), (2520, 121146), (2562, 119160), (2648, 115290), (2745, 111216), (2928, 104265), (2979, 102480), (3024, 100955), (3294, 92680), (3310, 92232), (3416, 89370), (3660, 83412), (3780, 80764), (3843, 79440), (3972, 76860), (4270, 71496), (4392, 69510), (4634, 65880), (4880, 62559), (4965, 61488), (5040, 60573), (5124, 59580), (5296, 57645), (5490, 55608), (5958, 51240), (6405, 47664), (6588, 46340), (6620, 46116), (6832, 44685), (6951, 43920), (7320, 41706), (7560, 40382), (7686, 39720), (7944, 38430), (8235, 37072), (8540, 35748), (8784, 34755), (8937, 34160), (9268, 32940), (9930, 30744), (10248, 29790), (10980, 27804), (11529, 26480), (11585, 26352), (11916, 25620), (12810, 23832), (13176, 23170), (13240, 23058), (13902, 21960), (14640, 20853), (14895, 20496), (15120, 20191), (15372, 19860), (15888, 19215), (16470, 18536), (17080, 17874)]