31918320

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{2111}}^1$

素因数の和:2140

約数の個数: 160

約数和(自身を含む): 125706240

約数和(自身を除く): 93787920

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, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2111, 2160, 2520, 3024, 3780, 4222, 5040, 6333, 7560, 8444, 10555, 12666, 14777, 15120, 16888, 18999, 21110, 25332, 29554, 31665, 33776, 37998, 42220, 44331, 50664, 56997, 59108, 63330, 73885, 75996, 84440, 88662, 94995, 101328, 113994, 118216, 126660, 132993, 147770, 151992, 168880, 177324, 189990, 221655, 227988, 236432, 253320, 265986, 284985, 295540, 303984, 354648, 379980, 398979, 443310, 455976, 506640, 531972, 569970, 591080, 664965, 709296, 759960, 797958, 886620, 911952, 1063944, 1139940, 1182160, 1329930, 1519920, 1595916, 1773240, 1994895, 2127888, 2279880, 2659860, 3191832, 3546480, 3989790, 4559760, 5319720, 6383664, 7979580, 10639440, 15959160, 31918320]

約数ペア:

[(1, 31918320), (2, 15959160), (3, 10639440), (4, 7979580), (5, 6383664), (6, 5319720), (7, 4559760), (8, 3989790), (9, 3546480), (10, 3191832), (12, 2659860), (14, 2279880), (15, 2127888), (16, 1994895), (18, 1773240), (20, 1595916), (21, 1519920), (24, 1329930), (27, 1182160), (28, 1139940), (30, 1063944), (35, 911952), (36, 886620), (40, 797958), (42, 759960), (45, 709296), (48, 664965), (54, 591080), (56, 569970), (60, 531972), (63, 506640), (70, 455976), (72, 443310), (80, 398979), (84, 379980), (90, 354648), (105, 303984), (108, 295540), (112, 284985), (120, 265986), (126, 253320), (135, 236432), (140, 227988), (144, 221655), (168, 189990), (180, 177324), (189, 168880), (210, 151992), (216, 147770), (240, 132993), (252, 126660), (270, 118216), (280, 113994), (315, 101328), (336, 94995), (360, 88662), (378, 84440), (420, 75996), (432, 73885), (504, 63330), (540, 59108), (560, 56997), (630, 50664), (720, 44331), (756, 42220), (840, 37998), (945, 33776), (1008, 31665), (1080, 29554), (1260, 25332), (1512, 21110), (1680, 18999), (1890, 16888), (2111, 15120), (2160, 14777), (2520, 12666), (3024, 10555), (3780, 8444), (4222, 7560), (5040, 6333)]