80575980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31231}}^1$

素因数の和:31286

約数の個数: 48

約数和(自身を含む): 230866944

約数和(自身を除く): 150290964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 31231, 62462, 93693, 124924, 156155, 187386, 312310, 374772, 468465, 624620, 936930, 1342933, 1873860, 2685866, 4028799, 5371732, 6714665, 8057598, 13429330, 16115196, 20143995, 26858660, 40287990, 80575980]

約数ペア:

[(1, 80575980), (2, 40287990), (3, 26858660), (4, 20143995), (5, 16115196), (6, 13429330), (10, 8057598), (12, 6714665), (15, 5371732), (20, 4028799), (30, 2685866), (43, 1873860), (60, 1342933), (86, 936930), (129, 624620), (172, 468465), (215, 374772), (258, 312310), (430, 187386), (516, 156155), (645, 124924), (860, 93693), (1290, 62462), (2580, 31231)]