81344160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{56489}}^1$

素因数の和:56510

約数の個数: 72

約数和(自身を含む): 277591860

約数和(自身を除く): 196247700

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 56489, 112978, 169467, 225956, 282445, 338934, 451912, 508401, 564890, 677868, 847335, 903824, 1016802, 1129780, 1355736, 1694670, 1807648, 2033604, 2259560, 2542005, 2711472, 3389340, 4067208, 4519120, 5084010, 5422944, 6778680, 8134416, 9038240, 10168020, 13557360, 16268832, 20336040, 27114720, 40672080, 81344160]

約数ペア:

[(1, 81344160), (2, 40672080), (3, 27114720), (4, 20336040), (5, 16268832), (6, 13557360), (8, 10168020), (9, 9038240), (10, 8134416), (12, 6778680), (15, 5422944), (16, 5084010), (18, 4519120), (20, 4067208), (24, 3389340), (30, 2711472), (32, 2542005), (36, 2259560), (40, 2033604), (45, 1807648), (48, 1694670), (60, 1355736), (72, 1129780), (80, 1016802), (90, 903824), (96, 847335), (120, 677868), (144, 564890), (160, 508401), (180, 451912), (240, 338934), (288, 282445), (360, 225956), (480, 169467), (720, 112978), (1440, 56489)]