1219968640

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173291}}^1$

素因数の和:173321

約数の個数: 64

約数和(自身を含む): 3181641120

約数和(自身を除く): 1961672480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 173291, 346582, 693164, 866455, 1386328, 1732910, 1906201, 2772656, 3465820, 3812402, 5545312, 6931640, 7624804, 9531005, 11090624, 13863280, 15249608, 19062010, 22181248, 27726560, 30499216, 38124020, 55453120, 60998432, 76248040, 110906240, 121996864, 152496080, 243993728, 304992160, 609984320, 1219968640]

約数ペア:

[(1, 1219968640), (2, 609984320), (4, 304992160), (5, 243993728), (8, 152496080), (10, 121996864), (11, 110906240), (16, 76248040), (20, 60998432), (22, 55453120), (32, 38124020), (40, 30499216), (44, 27726560), (55, 22181248), (64, 19062010), (80, 15249608), (88, 13863280), (110, 11090624), (128, 9531005), (160, 7624804), (176, 6931640), (220, 5545312), (320, 3812402), (352, 3465820), (440, 2772656), (640, 1906201), (704, 1732910), (880, 1386328), (1408, 866455), (1760, 693164), (3520, 346582), (7040, 173291)]