318205880

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{1237}}^1$

素因数の和:1416

約数の個数: 64

約数和(自身を含む): 735372000

約数和(自身を除く): 417166120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 109, 118, 218, 236, 295, 436, 472, 545, 590, 872, 1090, 1180, 1237, 2180, 2360, 2474, 4360, 4948, 6185, 6431, 9896, 12370, 12862, 24740, 25724, 32155, 49480, 51448, 64310, 72983, 128620, 134833, 145966, 257240, 269666, 291932, 364915, 539332, 583864, 674165, 729830, 1078664, 1348330, 1459660, 2696660, 2919320, 5393320, 7955147, 15910294, 31820588, 39775735, 63641176, 79551470, 159102940, 318205880]

約数ペア:

[(1, 318205880), (2, 159102940), (4, 79551470), (5, 63641176), (8, 39775735), (10, 31820588), (20, 15910294), (40, 7955147), (59, 5393320), (109, 2919320), (118, 2696660), (218, 1459660), (236, 1348330), (295, 1078664), (436, 729830), (472, 674165), (545, 583864), (590, 539332), (872, 364915), (1090, 291932), (1180, 269666), (1237, 257240), (2180, 145966), (2360, 134833), (2474, 128620), (4360, 72983), (4948, 64310), (6185, 51448), (6431, 49480), (9896, 32155), (12370, 25724), (12862, 24740)]