260326640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{751}}^1$

素因数の和:1390

約数の個数: 80

約数和(自身を含む): 693765120

約数和(自身を除く): 433438480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 619, 751, 1238, 1502, 2476, 3004, 3095, 3755, 4333, 4952, 5257, 6008, 6190, 7510, 8666, 9904, 10514, 12016, 12380, 15020, 17332, 21028, 21665, 24760, 26285, 30040, 34664, 42056, 43330, 49520, 52570, 60080, 69328, 84112, 86660, 105140, 173320, 210280, 346640, 420560, 464869, 929738, 1859476, 2324345, 3254083, 3718952, 4648690, 6508166, 7437904, 9297380, 13016332, 16270415, 18594760, 26032664, 32540830, 37189520, 52065328, 65081660, 130163320, 260326640]

約数ペア:

[(1, 260326640), (2, 130163320), (4, 65081660), (5, 52065328), (7, 37189520), (8, 32540830), (10, 26032664), (14, 18594760), (16, 16270415), (20, 13016332), (28, 9297380), (35, 7437904), (40, 6508166), (56, 4648690), (70, 3718952), (80, 3254083), (112, 2324345), (140, 1859476), (280, 929738), (560, 464869), (619, 420560), (751, 346640), (1238, 210280), (1502, 173320), (2476, 105140), (3004, 86660), (3095, 84112), (3755, 69328), (4333, 60080), (4952, 52570), (5257, 49520), (6008, 43330), (6190, 42056), (7510, 34664), (8666, 30040), (9904, 26285), (10514, 24760), (12016, 21665), (12380, 21028), (15020, 17332)]