646345980

素因数分解:

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

素因数の和:2148

約数の個数: 192

約数和(自身を含む): 2327592960

約数和(自身を除く): 1681246980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 729, 756, 810, 945, 972, 1134, 1215, 1260, 1458, 1620, 1701, 1890, 2111, 2187, 2268, 2430, 2835, 2916, 3402, 3645, 3780, 4222, 4374, 4860, 5103, 5670, 6333, 6804, 7290, 8444, 8505, 8748, 10206, 10555, 10935, 11340, 12666, 14580, 14777, 15309, 17010, 18999, 20412, 21110, 21870, 25332, 25515, 29554, 30618, 31665, 34020, 37998, 42220, 43740, 44331, 51030, 56997, 59108, 61236, 63330, 73885, 75996, 76545, 88662, 94995, 102060, 113994, 126660, 132993, 147770, 153090, 170991, 177324, 189990, 221655, 227988, 265986, 284985, 295540, 306180, 341982, 379980, 398979, 443310, 512973, 531972, 569970, 664965, 683964, 797958, 854955, 886620, 1025946, 1139940, 1196937, 1329930, 1538919, 1595916, 1709910, 1994895, 2051892, 2393874, 2564865, 2659860, 3077838, 3419820, 3590811, 3989790, 4616757, 4787748, 5129730, 5984685, 6155676, 7181622, 7694595, 7979580, 9233514, 10259460, 10772433, 11969370, 14363244, 15389190, 17954055, 18467028, 21544866, 23083785, 23938740, 30778380, 32317299, 35908110, 43089732, 46167570, 53862165, 64634598, 71816220, 92335140, 107724330, 129269196, 161586495, 215448660, 323172990, 646345980]

約数ペア:

[(1, 646345980), (2, 323172990), (3, 215448660), (4, 161586495), (5, 129269196), (6, 107724330), (7, 92335140), (9, 71816220), (10, 64634598), (12, 53862165), (14, 46167570), (15, 43089732), (18, 35908110), (20, 32317299), (21, 30778380), (27, 23938740), (28, 23083785), (30, 21544866), (35, 18467028), (36, 17954055), (42, 15389190), (45, 14363244), (54, 11969370), (60, 10772433), (63, 10259460), (70, 9233514), (81, 7979580), (84, 7694595), (90, 7181622), (105, 6155676), (108, 5984685), (126, 5129730), (135, 4787748), (140, 4616757), (162, 3989790), (180, 3590811), (189, 3419820), (210, 3077838), (243, 2659860), (252, 2564865), (270, 2393874), (315, 2051892), (324, 1994895), (378, 1709910), (405, 1595916), (420, 1538919), (486, 1329930), (540, 1196937), (567, 1139940), (630, 1025946), (729, 886620), (756, 854955), (810, 797958), (945, 683964), (972, 664965), (1134, 569970), (1215, 531972), (1260, 512973), (1458, 443310), (1620, 398979), (1701, 379980), (1890, 341982), (2111, 306180), (2187, 295540), (2268, 284985), (2430, 265986), (2835, 227988), (2916, 221655), (3402, 189990), (3645, 177324), (3780, 170991), (4222, 153090), (4374, 147770), (4860, 132993), (5103, 126660), (5670, 113994), (6333, 102060), (6804, 94995), (7290, 88662), (8444, 76545), (8505, 75996), (8748, 73885), (10206, 63330), (10555, 61236), (10935, 59108), (11340, 56997), (12666, 51030), (14580, 44331), (14777, 43740), (15309, 42220), (17010, 37998), (18999, 34020), (20412, 31665), (21110, 30618), (21870, 29554), (25332, 25515)]