215883920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1613}}^1$

素因数の和:1872

約数の個数: 80

約数和(自身を含む): 576391680

約数和(自身を除く): 360507760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 239, 280, 478, 560, 956, 1195, 1613, 1673, 1912, 2390, 3226, 3346, 3824, 4780, 6452, 6692, 8065, 8365, 9560, 11291, 12904, 13384, 16130, 16730, 19120, 22582, 25808, 26768, 32260, 33460, 45164, 56455, 64520, 66920, 90328, 112910, 129040, 133840, 180656, 225820, 385507, 451640, 771014, 903280, 1542028, 1927535, 2698549, 3084056, 3855070, 5397098, 6168112, 7710140, 10794196, 13492745, 15420280, 21588392, 26985490, 30840560, 43176784, 53970980, 107941960, 215883920]

約数ペア:

[(1, 215883920), (2, 107941960), (4, 53970980), (5, 43176784), (7, 30840560), (8, 26985490), (10, 21588392), (14, 15420280), (16, 13492745), (20, 10794196), (28, 7710140), (35, 6168112), (40, 5397098), (56, 3855070), (70, 3084056), (80, 2698549), (112, 1927535), (140, 1542028), (239, 903280), (280, 771014), (478, 451640), (560, 385507), (956, 225820), (1195, 180656), (1613, 133840), (1673, 129040), (1912, 112910), (2390, 90328), (3226, 66920), (3346, 64520), (3824, 56455), (4780, 45164), (6452, 33460), (6692, 32260), (8065, 26768), (8365, 25808), (9560, 22582), (11291, 19120), (12904, 16730), (13384, 16130)]