15980496

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:456

約数の個数: 80

約数和(自身を含む): 47616000

約数和(自身を除く): 31635504

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 199, 239, 336, 398, 478, 597, 717, 796, 956, 1194, 1393, 1434, 1592, 1673, 1912, 2388, 2786, 2868, 3184, 3346, 3824, 4179, 4776, 5019, 5572, 5736, 6692, 8358, 9552, 10038, 11144, 11472, 13384, 16716, 20076, 22288, 26768, 33432, 40152, 47561, 66864, 80304, 95122, 142683, 190244, 285366, 332927, 380488, 570732, 665854, 760976, 998781, 1141464, 1331708, 1997562, 2282928, 2663416, 3995124, 5326832, 7990248, 15980496]

約数ペア:

[(1, 15980496), (2, 7990248), (3, 5326832), (4, 3995124), (6, 2663416), (7, 2282928), (8, 1997562), (12, 1331708), (14, 1141464), (16, 998781), (21, 760976), (24, 665854), (28, 570732), (42, 380488), (48, 332927), (56, 285366), (84, 190244), (112, 142683), (168, 95122), (199, 80304), (239, 66864), (336, 47561), (398, 40152), (478, 33432), (597, 26768), (717, 22288), (796, 20076), (956, 16716), (1194, 13384), (1393, 11472), (1434, 11144), (1592, 10038), (1673, 9552), (1912, 8358), (2388, 6692), (2786, 5736), (2868, 5572), (3184, 5019), (3346, 4776), (3824, 4179)]