840668220

素因数分解:

$2^2\times 3^6\times 5^1\times 7^1\times {\mathrm{8237}}^1$

素因数の和:8271

約数の個数: 168

約数和(自身を含む): 3025389024

約数和(自身を除く): 2184720804

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, 2268, 2430, 2835, 2916, 3402, 3645, 3780, 4860, 5103, 5670, 6804, 7290, 8237, 8505, 10206, 11340, 14580, 16474, 17010, 20412, 24711, 25515, 32948, 34020, 41185, 49422, 51030, 57659, 74133, 82370, 98844, 102060, 115318, 123555, 148266, 164740, 172977, 222399, 230636, 247110, 288295, 296532, 345954, 370665, 444798, 494220, 518931, 576590, 667197, 691908, 741330, 864885, 889596, 1037862, 1111995, 1153180, 1334394, 1482660, 1556793, 1729770, 2001591, 2075724, 2223990, 2594655, 2668788, 3113586, 3335985, 3459540, 4003182, 4447980, 4670379, 5189310, 6004773, 6227172, 6671970, 7783965, 8006364, 9340758, 10007955, 10378620, 12009546, 13343940, 14011137, 15567930, 18681516, 20015910, 23351895, 24019092, 28022274, 30023865, 31135860, 40031820, 42033411, 46703790, 56044548, 60047730, 70055685, 84066822, 93407580, 120095460, 140111370, 168133644, 210167055, 280222740, 420334110, 840668220]

約数ペア:

[(1, 840668220), (2, 420334110), (3, 280222740), (4, 210167055), (5, 168133644), (6, 140111370), (7, 120095460), (9, 93407580), (10, 84066822), (12, 70055685), (14, 60047730), (15, 56044548), (18, 46703790), (20, 42033411), (21, 40031820), (27, 31135860), (28, 30023865), (30, 28022274), (35, 24019092), (36, 23351895), (42, 20015910), (45, 18681516), (54, 15567930), (60, 14011137), (63, 13343940), (70, 12009546), (81, 10378620), (84, 10007955), (90, 9340758), (105, 8006364), (108, 7783965), (126, 6671970), (135, 6227172), (140, 6004773), (162, 5189310), (180, 4670379), (189, 4447980), (210, 4003182), (243, 3459540), (252, 3335985), (270, 3113586), (315, 2668788), (324, 2594655), (378, 2223990), (405, 2075724), (420, 2001591), (486, 1729770), (540, 1556793), (567, 1482660), (630, 1334394), (729, 1153180), (756, 1111995), (810, 1037862), (945, 889596), (972, 864885), (1134, 741330), (1215, 691908), (1260, 667197), (1458, 576590), (1620, 518931), (1701, 494220), (1890, 444798), (2268, 370665), (2430, 345954), (2835, 296532), (2916, 288295), (3402, 247110), (3645, 230636), (3780, 222399), (4860, 172977), (5103, 164740), (5670, 148266), (6804, 123555), (7290, 115318), (8237, 102060), (8505, 98844), (10206, 82370), (11340, 74133), (14580, 57659), (16474, 51030), (17010, 49422), (20412, 41185), (24711, 34020), (25515, 32948)]