1851120

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{857}}^1$

素因数の和:879

約数の個数: 80

約数和(自身を含む): 6383520

約数和(自身を除く): 4532400

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, 857, 1080, 1714, 2160, 2571, 3428, 4285, 5142, 6856, 7713, 8570, 10284, 12855, 13712, 15426, 17140, 20568, 23139, 25710, 30852, 34280, 38565, 41136, 46278, 51420, 61704, 68560, 77130, 92556, 102840, 115695, 123408, 154260, 185112, 205680, 231390, 308520, 370224, 462780, 617040, 925560, 1851120]

約数ペア:

[(1, 1851120), (2, 925560), (3, 617040), (4, 462780), (5, 370224), (6, 308520), (8, 231390), (9, 205680), (10, 185112), (12, 154260), (15, 123408), (16, 115695), (18, 102840), (20, 92556), (24, 77130), (27, 68560), (30, 61704), (36, 51420), (40, 46278), (45, 41136), (48, 38565), (54, 34280), (60, 30852), (72, 25710), (80, 23139), (90, 20568), (108, 17140), (120, 15426), (135, 13712), (144, 12855), (180, 10284), (216, 8570), (240, 7713), (270, 6856), (360, 5142), (432, 4285), (540, 3428), (720, 2571), (857, 2160), (1080, 1714)]