78661620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10163}}^1$

素因数の和:10221

約数の個数: 72

約数和(自身を含む): 244179936

約数和(自身を除く): 165518316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 10163, 20326, 30489, 40652, 50815, 60978, 91467, 101630, 121956, 152445, 182934, 203260, 304890, 365868, 437009, 457335, 609780, 874018, 914670, 1311027, 1748036, 1829340, 2185045, 2622054, 3933081, 4370090, 5244108, 6555135, 7866162, 8740180, 13110270, 15732324, 19665405, 26220540, 39330810, 78661620]

約数ペア:

[(1, 78661620), (2, 39330810), (3, 26220540), (4, 19665405), (5, 15732324), (6, 13110270), (9, 8740180), (10, 7866162), (12, 6555135), (15, 5244108), (18, 4370090), (20, 3933081), (30, 2622054), (36, 2185045), (43, 1829340), (45, 1748036), (60, 1311027), (86, 914670), (90, 874018), (129, 609780), (172, 457335), (180, 437009), (215, 365868), (258, 304890), (387, 203260), (430, 182934), (516, 152445), (645, 121956), (774, 101630), (860, 91467), (1290, 60978), (1548, 50815), (1935, 40652), (2580, 30489), (3870, 20326), (7740, 10163)]