128040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1$

素因数の和:122

約数の個数: 64

約数和(自身を含む): 423360

約数和(自身を除く): 295320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 97, 110, 120, 132, 165, 194, 220, 264, 291, 330, 388, 440, 485, 582, 660, 776, 970, 1067, 1164, 1320, 1455, 1940, 2134, 2328, 2910, 3201, 3880, 4268, 5335, 5820, 6402, 8536, 10670, 11640, 12804, 16005, 21340, 25608, 32010, 42680, 64020, 128040]

約数ペア:

[(1, 128040), (2, 64020), (3, 42680), (4, 32010), (5, 25608), (6, 21340), (8, 16005), (10, 12804), (11, 11640), (12, 10670), (15, 8536), (20, 6402), (22, 5820), (24, 5335), (30, 4268), (33, 3880), (40, 3201), (44, 2910), (55, 2328), (60, 2134), (66, 1940), (88, 1455), (97, 1320), (110, 1164), (120, 1067), (132, 970), (165, 776), (194, 660), (220, 582), (264, 485), (291, 440), (330, 388)]