71816220

素因数分解:

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

素因数の和:2142

約数の個数: 144

約数和(自身を含む): 258306048

約数和(自身を除く): 186489828

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, 756, 810, 945, 972, 1134, 1215, 1260, 1620, 1701, 1890, 2111, 2268, 2430, 2835, 3402, 3780, 4222, 4860, 5670, 6333, 6804, 8444, 8505, 10555, 11340, 12666, 14777, 17010, 18999, 21110, 25332, 29554, 31665, 34020, 37998, 42220, 44331, 56997, 59108, 63330, 73885, 75996, 88662, 94995, 113994, 126660, 132993, 147770, 170991, 177324, 189990, 221655, 227988, 265986, 284985, 295540, 341982, 379980, 398979, 443310, 512973, 531972, 569970, 664965, 683964, 797958, 854955, 886620, 1025946, 1139940, 1196937, 1329930, 1595916, 1709910, 1994895, 2051892, 2393874, 2564865, 2659860, 3419820, 3590811, 3989790, 4787748, 5129730, 5984685, 7181622, 7979580, 10259460, 11969370, 14363244, 17954055, 23938740, 35908110, 71816220]

約数ペア:

[(1, 71816220), (2, 35908110), (3, 23938740), (4, 17954055), (5, 14363244), (6, 11969370), (7, 10259460), (9, 7979580), (10, 7181622), (12, 5984685), (14, 5129730), (15, 4787748), (18, 3989790), (20, 3590811), (21, 3419820), (27, 2659860), (28, 2564865), (30, 2393874), (35, 2051892), (36, 1994895), (42, 1709910), (45, 1595916), (54, 1329930), (60, 1196937), (63, 1139940), (70, 1025946), (81, 886620), (84, 854955), (90, 797958), (105, 683964), (108, 664965), (126, 569970), (135, 531972), (140, 512973), (162, 443310), (180, 398979), (189, 379980), (210, 341982), (243, 295540), (252, 284985), (270, 265986), (315, 227988), (324, 221655), (378, 189990), (405, 177324), (420, 170991), (486, 147770), (540, 132993), (567, 126660), (630, 113994), (756, 94995), (810, 88662), (945, 75996), (972, 73885), (1134, 63330), (1215, 59108), (1260, 56997), (1620, 44331), (1701, 42220), (1890, 37998), (2111, 34020), (2268, 31665), (2430, 29554), (2835, 25332), (3402, 21110), (3780, 18999), (4222, 17010), (4860, 14777), (5670, 12666), (6333, 11340), (6804, 10555), (8444, 8505)]