863131760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:287

約数の個数: 120

約数和(自身を含む): 2112945120

約数和(自身を除く): 1249813360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 103, 109, 124, 155, 206, 218, 248, 310, 412, 436, 496, 515, 545, 620, 824, 872, 961, 1030, 1090, 1240, 1648, 1744, 1922, 2060, 2180, 2480, 3193, 3379, 3844, 4120, 4360, 4805, 6386, 6758, 7688, 8240, 8720, 9610, 11227, 12772, 13516, 15376, 15965, 16895, 19220, 22454, 25544, 27032, 31930, 33790, 38440, 44908, 51088, 54064, 56135, 63860, 67580, 76880, 89816, 98983, 104749, 112270, 127720, 135160, 179632, 197966, 209498, 224540, 255440, 270320, 348037, 395932, 418996, 449080, 494915, 523745, 696074, 791864, 837992, 898160, 989830, 1047490, 1392148, 1583728, 1675984, 1740185, 1979660, 2094980, 2784296, 3480370, 3959320, 4189960, 5568592, 6960740, 7918640, 8379920, 10789147, 13921480, 21578294, 27842960, 43156588, 53945735, 86313176, 107891470, 172626352, 215782940, 431565880, 863131760]

約数ペア:

[(1, 863131760), (2, 431565880), (4, 215782940), (5, 172626352), (8, 107891470), (10, 86313176), (16, 53945735), (20, 43156588), (31, 27842960), (40, 21578294), (62, 13921480), (80, 10789147), (103, 8379920), (109, 7918640), (124, 6960740), (155, 5568592), (206, 4189960), (218, 3959320), (248, 3480370), (310, 2784296), (412, 2094980), (436, 1979660), (496, 1740185), (515, 1675984), (545, 1583728), (620, 1392148), (824, 1047490), (872, 989830), (961, 898160), (1030, 837992), (1090, 791864), (1240, 696074), (1648, 523745), (1744, 494915), (1922, 449080), (2060, 418996), (2180, 395932), (2480, 348037), (3193, 270320), (3379, 255440), (3844, 224540), (4120, 209498), (4360, 197966), (4805, 179632), (6386, 135160), (6758, 127720), (7688, 112270), (8240, 104749), (8720, 98983), (9610, 89816), (11227, 76880), (12772, 67580), (13516, 63860), (15376, 56135), (15965, 54064), (16895, 51088), (19220, 44908), (22454, 38440), (25544, 33790), (27032, 31930)]