28891440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{40127}}^1$

素因数の和:40146

約数の個数: 60

約数和(自身を含む): 97029504

約数和(自身を除く): 68138064

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, 90, 120, 144, 180, 240, 360, 720, 40127, 80254, 120381, 160508, 200635, 240762, 321016, 361143, 401270, 481524, 601905, 642032, 722286, 802540, 963048, 1203810, 1444572, 1605080, 1805715, 1926096, 2407620, 2889144, 3210160, 3611430, 4815240, 5778288, 7222860, 9630480, 14445720, 28891440]

約数ペア:

[(1, 28891440), (2, 14445720), (3, 9630480), (4, 7222860), (5, 5778288), (6, 4815240), (8, 3611430), (9, 3210160), (10, 2889144), (12, 2407620), (15, 1926096), (16, 1805715), (18, 1605080), (20, 1444572), (24, 1203810), (30, 963048), (36, 802540), (40, 722286), (45, 642032), (48, 601905), (60, 481524), (72, 401270), (80, 361143), (90, 321016), (120, 240762), (144, 200635), (180, 160508), (240, 120381), (360, 80254), (720, 40127)]