204578560

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6949}}^1$

素因数の和:6993

約数の個数: 72

約数和(自身を含む): 511408800

約数和(自身を除く): 306830240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1280, 1472, 1840, 2944, 3680, 5888, 6949, 7360, 13898, 14720, 27796, 29440, 34745, 55592, 69490, 111184, 138980, 159827, 222368, 277960, 319654, 444736, 555920, 639308, 799135, 889472, 1111840, 1278616, 1598270, 1778944, 2223680, 2557232, 3196540, 4447360, 5114464, 6393080, 8894720, 10228928, 12786160, 20457856, 25572320, 40915712, 51144640, 102289280, 204578560]

約数ペア:

[(1, 204578560), (2, 102289280), (4, 51144640), (5, 40915712), (8, 25572320), (10, 20457856), (16, 12786160), (20, 10228928), (23, 8894720), (32, 6393080), (40, 5114464), (46, 4447360), (64, 3196540), (80, 2557232), (92, 2223680), (115, 1778944), (128, 1598270), (160, 1278616), (184, 1111840), (230, 889472), (256, 799135), (320, 639308), (368, 555920), (460, 444736), (640, 319654), (736, 277960), (920, 222368), (1280, 159827), (1472, 138980), (1840, 111184), (2944, 69490), (3680, 55592), (5888, 34745), (6949, 29440), (7360, 27796), (13898, 14720)]