81974160

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{37951}}^1$

素因数の和:37973

約数の個数: 80

約数和(自身を含む): 282362880

約数和(自身を除く): 200388720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 37951, 75902, 113853, 151804, 189755, 227706, 303608, 341559, 379510, 455412, 569265, 607216, 683118, 759020, 910824, 1024677, 1138530, 1366236, 1518040, 1707795, 1821648, 2049354, 2277060, 2732472, 3036080, 3415590, 4098708, 4554120, 5123385, 5464944, 6831180, 8197416, 9108240, 10246770, 13662360, 16394832, 20493540, 27324720, 40987080, 81974160]

約数ペア:

[(1, 81974160), (2, 40987080), (3, 27324720), (4, 20493540), (5, 16394832), (6, 13662360), (8, 10246770), (9, 9108240), (10, 8197416), (12, 6831180), (15, 5464944), (16, 5123385), (18, 4554120), (20, 4098708), (24, 3415590), (27, 3036080), (30, 2732472), (36, 2277060), (40, 2049354), (45, 1821648), (48, 1707795), (54, 1518040), (60, 1366236), (72, 1138530), (80, 1024677), (90, 910824), (108, 759020), (120, 683118), (135, 607216), (144, 569265), (180, 455412), (216, 379510), (240, 341559), (270, 303608), (360, 227706), (432, 189755), (540, 151804), (720, 113853), (1080, 75902), (2160, 37951)]