28639440

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13259}}^1$

素因数の和:13281

約数の個数: 80

約数和(自身を含む): 98654400

約数和(自身を除く): 70014960

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, 13259, 26518, 39777, 53036, 66295, 79554, 106072, 119331, 132590, 159108, 198885, 212144, 238662, 265180, 318216, 357993, 397770, 477324, 530360, 596655, 636432, 715986, 795540, 954648, 1060720, 1193310, 1431972, 1591080, 1789965, 1909296, 2386620, 2863944, 3182160, 3579930, 4773240, 5727888, 7159860, 9546480, 14319720, 28639440]

約数ペア:

[(1, 28639440), (2, 14319720), (3, 9546480), (4, 7159860), (5, 5727888), (6, 4773240), (8, 3579930), (9, 3182160), (10, 2863944), (12, 2386620), (15, 1909296), (16, 1789965), (18, 1591080), (20, 1431972), (24, 1193310), (27, 1060720), (30, 954648), (36, 795540), (40, 715986), (45, 636432), (48, 596655), (54, 530360), (60, 477324), (72, 397770), (80, 357993), (90, 318216), (108, 265180), (120, 238662), (135, 212144), (144, 198885), (180, 159108), (216, 132590), (240, 119331), (270, 106072), (360, 79554), (432, 66295), (540, 53036), (720, 39777), (1080, 26518), (2160, 13259)]