168797480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{691}}^1$

素因数の和:930

約数の個数: 64

約数和(自身を含む): 394606080

約数和(自身を除く): 225808600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 197, 248, 310, 394, 620, 691, 788, 985, 1240, 1382, 1576, 1970, 2764, 3455, 3940, 5528, 6107, 6910, 7880, 12214, 13820, 21421, 24428, 27640, 30535, 42842, 48856, 61070, 85684, 107105, 122140, 136127, 171368, 214210, 244280, 272254, 428420, 544508, 680635, 856840, 1089016, 1361270, 2722540, 4219937, 5445080, 8439874, 16879748, 21099685, 33759496, 42199370, 84398740, 168797480]

約数ペア:

[(1, 168797480), (2, 84398740), (4, 42199370), (5, 33759496), (8, 21099685), (10, 16879748), (20, 8439874), (31, 5445080), (40, 4219937), (62, 2722540), (124, 1361270), (155, 1089016), (197, 856840), (248, 680635), (310, 544508), (394, 428420), (620, 272254), (691, 244280), (788, 214210), (985, 171368), (1240, 136127), (1382, 122140), (1576, 107105), (1970, 85684), (2764, 61070), (3455, 48856), (3940, 42842), (5528, 30535), (6107, 27640), (6910, 24428), (7880, 21421), (12214, 13820)]