40031280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:496

約数の個数: 160

約数和(自身を含む): 141419520

約数和(自身を除く): 101388240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 43, 45, 48, 54, 60, 72, 80, 86, 90, 108, 120, 129, 135, 144, 172, 180, 215, 216, 240, 258, 270, 344, 360, 387, 430, 431, 432, 516, 540, 645, 688, 720, 774, 860, 862, 1032, 1080, 1161, 1290, 1293, 1548, 1720, 1724, 1935, 2064, 2155, 2160, 2322, 2580, 2586, 3096, 3440, 3448, 3870, 3879, 4310, 4644, 5160, 5172, 5805, 6192, 6465, 6896, 7740, 7758, 8620, 9288, 10320, 10344, 11610, 11637, 12930, 15480, 15516, 17240, 18533, 18576, 19395, 20688, 23220, 23274, 25860, 30960, 31032, 34480, 37066, 38790, 46440, 46548, 51720, 55599, 58185, 62064, 74132, 77580, 92665, 92880, 93096, 103440, 111198, 116370, 148264, 155160, 166797, 185330, 186192, 222396, 232740, 277995, 296528, 310320, 333594, 370660, 444792, 465480, 500391, 555990, 667188, 741320, 833985, 889584, 930960, 1000782, 1111980, 1334376, 1482640, 1667970, 2001564, 2223960, 2501955, 2668752, 3335940, 4003128, 4447920, 5003910, 6671880, 8006256, 10007820, 13343760, 20015640, 40031280]

約数ペア:

[(1, 40031280), (2, 20015640), (3, 13343760), (4, 10007820), (5, 8006256), (6, 6671880), (8, 5003910), (9, 4447920), (10, 4003128), (12, 3335940), (15, 2668752), (16, 2501955), (18, 2223960), (20, 2001564), (24, 1667970), (27, 1482640), (30, 1334376), (36, 1111980), (40, 1000782), (43, 930960), (45, 889584), (48, 833985), (54, 741320), (60, 667188), (72, 555990), (80, 500391), (86, 465480), (90, 444792), (108, 370660), (120, 333594), (129, 310320), (135, 296528), (144, 277995), (172, 232740), (180, 222396), (215, 186192), (216, 185330), (240, 166797), (258, 155160), (270, 148264), (344, 116370), (360, 111198), (387, 103440), (430, 93096), (431, 92880), (432, 92665), (516, 77580), (540, 74132), (645, 62064), (688, 58185), (720, 55599), (774, 51720), (860, 46548), (862, 46440), (1032, 38790), (1080, 37066), (1161, 34480), (1290, 31032), (1293, 30960), (1548, 25860), (1720, 23274), (1724, 23220), (1935, 20688), (2064, 19395), (2155, 18576), (2160, 18533), (2322, 17240), (2580, 15516), (2586, 15480), (3096, 12930), (3440, 11637), (3448, 11610), (3870, 10344), (3879, 10320), (4310, 9288), (4644, 8620), (5160, 7758), (5172, 7740), (5805, 6896), (6192, 6465)]