68571520

素因数分解:

$2^7\times 5^1\times {\mathrm{307}}^1\times {\mathrm{349}}^1$

素因数の和:675

約数の個数: 64

約数和(自身を含む): 164934000

約数和(自身を除く): 96362480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 307, 320, 349, 614, 640, 698, 1228, 1396, 1535, 1745, 2456, 2792, 3070, 3490, 4912, 5584, 6140, 6980, 9824, 11168, 12280, 13960, 19648, 22336, 24560, 27920, 39296, 44672, 49120, 55840, 98240, 107143, 111680, 196480, 214286, 223360, 428572, 535715, 857144, 1071430, 1714288, 2142860, 3428576, 4285720, 6857152, 8571440, 13714304, 17142880, 34285760, 68571520]

約数ペア:

[(1, 68571520), (2, 34285760), (4, 17142880), (5, 13714304), (8, 8571440), (10, 6857152), (16, 4285720), (20, 3428576), (32, 2142860), (40, 1714288), (64, 1071430), (80, 857144), (128, 535715), (160, 428572), (307, 223360), (320, 214286), (349, 196480), (614, 111680), (640, 107143), (698, 98240), (1228, 55840), (1396, 49120), (1535, 44672), (1745, 39296), (2456, 27920), (2792, 24560), (3070, 22336), (3490, 19648), (4912, 13960), (5584, 12280), (6140, 11168), (6980, 9824)]