169242640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9749}}^1$

素因数の和:9800

約数の個数: 80

約数和(自身を含む): 464256000

約数和(自身を除く): 295013360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 9749, 17360, 19498, 38996, 48745, 68243, 77992, 97490, 136486, 155984, 194980, 272972, 302219, 341215, 389960, 545944, 604438, 682430, 779920, 1091888, 1208876, 1364860, 1511095, 2115533, 2417752, 2729720, 3022190, 4231066, 4835504, 5459440, 6044380, 8462132, 10577665, 12088760, 16924264, 21155330, 24177520, 33848528, 42310660, 84621320, 169242640]

約数ペア:

[(1, 169242640), (2, 84621320), (4, 42310660), (5, 33848528), (7, 24177520), (8, 21155330), (10, 16924264), (14, 12088760), (16, 10577665), (20, 8462132), (28, 6044380), (31, 5459440), (35, 4835504), (40, 4231066), (56, 3022190), (62, 2729720), (70, 2417752), (80, 2115533), (112, 1511095), (124, 1364860), (140, 1208876), (155, 1091888), (217, 779920), (248, 682430), (280, 604438), (310, 545944), (434, 389960), (496, 341215), (560, 302219), (620, 272972), (868, 194980), (1085, 155984), (1240, 136486), (1736, 97490), (2170, 77992), (2480, 68243), (3472, 48745), (4340, 38996), (8680, 19498), (9749, 17360)]