407388240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{80831}}^1$

素因数の和:80857

約数の個数: 120

約数和(自身を含む): 1563614208

約数和(自身を除く): 1156225968

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 80831, 161662, 242493, 323324, 404155, 484986, 565817, 646648, 727479, 808310, 969972, 1131634, 1212465, 1293296, 1454958, 1616620, 1697451, 1939944, 2263268, 2424930, 2829085, 2909916, 3233240, 3394902, 3637395, 3879888, 4526536, 4849860, 5092353, 5658170, 5819832, 6466480, 6789804, 7274790, 8487255, 9053072, 9699720, 10184706, 11316340, 11639664, 13579608, 14549580, 16974510, 19399440, 20369412, 22632680, 25461765, 27159216, 29099160, 33949020, 40738824, 45265360, 50923530, 58198320, 67898040, 81477648, 101847060, 135796080, 203694120, 407388240]

約数ペア:

[(1, 407388240), (2, 203694120), (3, 135796080), (4, 101847060), (5, 81477648), (6, 67898040), (7, 58198320), (8, 50923530), (9, 45265360), (10, 40738824), (12, 33949020), (14, 29099160), (15, 27159216), (16, 25461765), (18, 22632680), (20, 20369412), (21, 19399440), (24, 16974510), (28, 14549580), (30, 13579608), (35, 11639664), (36, 11316340), (40, 10184706), (42, 9699720), (45, 9053072), (48, 8487255), (56, 7274790), (60, 6789804), (63, 6466480), (70, 5819832), (72, 5658170), (80, 5092353), (84, 4849860), (90, 4526536), (105, 3879888), (112, 3637395), (120, 3394902), (126, 3233240), (140, 2909916), (144, 2829085), (168, 2424930), (180, 2263268), (210, 1939944), (240, 1697451), (252, 1616620), (280, 1454958), (315, 1293296), (336, 1212465), (360, 1131634), (420, 969972), (504, 808310), (560, 727479), (630, 646648), (720, 565817), (840, 484986), (1008, 404155), (1260, 323324), (1680, 242493), (2520, 161662), (5040, 80831)]