212642640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1361}}^1$

素因数の和:1418

約数の個数: 240

約数和(自身を含む): 843088896

約数和(自身を除く): 630446256

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 112, 120, 124, 126, 140, 144, 155, 168, 180, 186, 210, 217, 240, 248, 252, 279, 280, 310, 315, 336, 360, 372, 420, 434, 465, 496, 504, 558, 560, 620, 630, 651, 720, 744, 840, 868, 930, 1008, 1085, 1116, 1240, 1260, 1302, 1361, 1395, 1488, 1680, 1736, 1860, 1953, 2170, 2232, 2480, 2520, 2604, 2722, 2790, 3255, 3472, 3720, 3906, 4083, 4340, 4464, 5040, 5208, 5444, 5580, 6510, 6805, 7440, 7812, 8166, 8680, 9527, 9765, 10416, 10888, 11160, 12249, 13020, 13610, 15624, 16332, 17360, 19054, 19530, 20415, 21776, 22320, 24498, 26040, 27220, 28581, 31248, 32664, 38108, 39060, 40830, 42191, 47635, 48996, 52080, 54440, 57162, 61245, 65328, 76216, 78120, 81660, 84382, 85743, 95270, 97992, 108880, 114324, 122490, 126573, 142905, 152432, 156240, 163320, 168764, 171486, 190540, 195984, 210955, 228648, 244980, 253146, 285810, 295337, 326640, 337528, 342972, 379719, 381080, 421910, 428715, 457296, 489960, 506292, 571620, 590674, 632865, 675056, 685944, 759438, 762160, 843820, 857430, 886011, 979920, 1012584, 1143240, 1181348, 1265730, 1371888, 1476685, 1518876, 1687640, 1714860, 1772022, 1898595, 2025168, 2286480, 2362696, 2531460, 2658033, 2953370, 3037752, 3375280, 3429720, 3544044, 3797190, 4430055, 4725392, 5062920, 5316066, 5906740, 6075504, 6859440, 7088088, 7594380, 8860110, 10125840, 10632132, 11813480, 13290165, 14176176, 15188760, 17720220, 21264264, 23626960, 26580330, 30377520, 35440440, 42528528, 53160660, 70880880, 106321320, 212642640]

約数ペア:

[(1, 212642640), (2, 106321320), (3, 70880880), (4, 53160660), (5, 42528528), (6, 35440440), (7, 30377520), (8, 26580330), (9, 23626960), (10, 21264264), (12, 17720220), (14, 15188760), (15, 14176176), (16, 13290165), (18, 11813480), (20, 10632132), (21, 10125840), (24, 8860110), (28, 7594380), (30, 7088088), (31, 6859440), (35, 6075504), (36, 5906740), (40, 5316066), (42, 5062920), (45, 4725392), (48, 4430055), (56, 3797190), (60, 3544044), (62, 3429720), (63, 3375280), (70, 3037752), (72, 2953370), (80, 2658033), (84, 2531460), (90, 2362696), (93, 2286480), (105, 2025168), (112, 1898595), (120, 1772022), (124, 1714860), (126, 1687640), (140, 1518876), (144, 1476685), (155, 1371888), (168, 1265730), (180, 1181348), (186, 1143240), (210, 1012584), (217, 979920), (240, 886011), (248, 857430), (252, 843820), (279, 762160), (280, 759438), (310, 685944), (315, 675056), (336, 632865), (360, 590674), (372, 571620), (420, 506292), (434, 489960), (465, 457296), (496, 428715), (504, 421910), (558, 381080), (560, 379719), (620, 342972), (630, 337528), (651, 326640), (720, 295337), (744, 285810), (840, 253146), (868, 244980), (930, 228648), (1008, 210955), (1085, 195984), (1116, 190540), (1240, 171486), (1260, 168764), (1302, 163320), (1361, 156240), (1395, 152432), (1488, 142905), (1680, 126573), (1736, 122490), (1860, 114324), (1953, 108880), (2170, 97992), (2232, 95270), (2480, 85743), (2520, 84382), (2604, 81660), (2722, 78120), (2790, 76216), (3255, 65328), (3472, 61245), (3720, 57162), (3906, 54440), (4083, 52080), (4340, 48996), (4464, 47635), (5040, 42191), (5208, 40830), (5444, 39060), (5580, 38108), (6510, 32664), (6805, 31248), (7440, 28581), (7812, 27220), (8166, 26040), (8680, 24498), (9527, 22320), (9765, 21776), (10416, 20415), (10888, 19530), (11160, 19054), (12249, 17360), (13020, 16332), (13610, 15624)]