80676720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1259}}^1$

素因数の和:1367

約数の個数: 120

約数和(自身を含む): 274201200

約数和(自身を除く): 193524480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 89, 90, 120, 144, 178, 180, 240, 267, 356, 360, 445, 534, 712, 720, 801, 890, 1068, 1259, 1335, 1424, 1602, 1780, 2136, 2518, 2670, 3204, 3560, 3777, 4005, 4272, 5036, 5340, 6295, 6408, 7120, 7554, 8010, 10072, 10680, 11331, 12590, 12816, 15108, 16020, 18885, 20144, 21360, 22662, 25180, 30216, 32040, 37770, 45324, 50360, 56655, 60432, 64080, 75540, 90648, 100720, 112051, 113310, 151080, 181296, 224102, 226620, 302160, 336153, 448204, 453240, 560255, 672306, 896408, 906480, 1008459, 1120510, 1344612, 1680765, 1792816, 2016918, 2241020, 2689224, 3361530, 4033836, 4482040, 5042295, 5378448, 6723060, 8067672, 8964080, 10084590, 13446120, 16135344, 20169180, 26892240, 40338360, 80676720]

約数ペア:

[(1, 80676720), (2, 40338360), (3, 26892240), (4, 20169180), (5, 16135344), (6, 13446120), (8, 10084590), (9, 8964080), (10, 8067672), (12, 6723060), (15, 5378448), (16, 5042295), (18, 4482040), (20, 4033836), (24, 3361530), (30, 2689224), (36, 2241020), (40, 2016918), (45, 1792816), (48, 1680765), (60, 1344612), (72, 1120510), (80, 1008459), (89, 906480), (90, 896408), (120, 672306), (144, 560255), (178, 453240), (180, 448204), (240, 336153), (267, 302160), (356, 226620), (360, 224102), (445, 181296), (534, 151080), (712, 113310), (720, 112051), (801, 100720), (890, 90648), (1068, 75540), (1259, 64080), (1335, 60432), (1424, 56655), (1602, 50360), (1780, 45324), (2136, 37770), (2518, 32040), (2670, 30216), (3204, 25180), (3560, 22662), (3777, 21360), (4005, 20144), (4272, 18885), (5036, 16020), (5340, 15108), (6295, 12816), (6408, 12590), (7120, 11331), (7554, 10680), (8010, 10072)]