639146640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{242101}}^1$

素因数の和:242128

約数の個数: 80

約数和(自身を含む): 2161486656

約数和(自身を除く): 1522340016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 242101, 484202, 726303, 968404, 1210505, 1452606, 1936808, 2421010, 2663111, 2905212, 3631515, 3873616, 4842020, 5326222, 5810424, 7263030, 7989333, 9684040, 10652444, 11620848, 13315555, 14526060, 15978666, 19368080, 21304888, 26631110, 29052120, 31957332, 39946665, 42609776, 53262220, 58104240, 63914664, 79893330, 106524440, 127829328, 159786660, 213048880, 319573320, 639146640]

約数ペア:

[(1, 639146640), (2, 319573320), (3, 213048880), (4, 159786660), (5, 127829328), (6, 106524440), (8, 79893330), (10, 63914664), (11, 58104240), (12, 53262220), (15, 42609776), (16, 39946665), (20, 31957332), (22, 29052120), (24, 26631110), (30, 21304888), (33, 19368080), (40, 15978666), (44, 14526060), (48, 13315555), (55, 11620848), (60, 10652444), (66, 9684040), (80, 7989333), (88, 7263030), (110, 5810424), (120, 5326222), (132, 4842020), (165, 3873616), (176, 3631515), (220, 2905212), (240, 2663111), (264, 2421010), (330, 1936808), (440, 1452606), (528, 1210505), (660, 968404), (880, 726303), (1320, 484202), (2640, 242101)]