201781760

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^2\times {\mathrm{149}}^1$

素因数の和:218

約数の個数: 120

約数和(自身を含む): 509147100

約数和(自身を除く): 307365340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 149, 160, 184, 230, 256, 298, 320, 368, 460, 512, 529, 596, 640, 736, 745, 920, 1058, 1192, 1280, 1472, 1490, 1840, 2116, 2384, 2560, 2645, 2944, 2980, 3427, 3680, 4232, 4768, 5290, 5888, 5960, 6854, 7360, 8464, 9536, 10580, 11776, 11920, 13708, 14720, 16928, 17135, 19072, 21160, 23840, 27416, 29440, 33856, 34270, 38144, 42320, 47680, 54832, 58880, 67712, 68540, 76288, 78821, 84640, 95360, 109664, 135424, 137080, 157642, 169280, 190720, 219328, 270848, 274160, 315284, 338560, 381440, 394105, 438656, 548320, 630568, 677120, 788210, 877312, 1096640, 1261136, 1354240, 1576420, 1754624, 2193280, 2522272, 3152840, 4386560, 5044544, 6305680, 8773120, 10089088, 12611360, 20178176, 25222720, 40356352, 50445440, 100890880, 201781760]

約数ペア:

[(1, 201781760), (2, 100890880), (4, 50445440), (5, 40356352), (8, 25222720), (10, 20178176), (16, 12611360), (20, 10089088), (23, 8773120), (32, 6305680), (40, 5044544), (46, 4386560), (64, 3152840), (80, 2522272), (92, 2193280), (115, 1754624), (128, 1576420), (149, 1354240), (160, 1261136), (184, 1096640), (230, 877312), (256, 788210), (298, 677120), (320, 630568), (368, 548320), (460, 438656), (512, 394105), (529, 381440), (596, 338560), (640, 315284), (736, 274160), (745, 270848), (920, 219328), (1058, 190720), (1192, 169280), (1280, 157642), (1472, 137080), (1490, 135424), (1840, 109664), (2116, 95360), (2384, 84640), (2560, 78821), (2645, 76288), (2944, 68540), (2980, 67712), (3427, 58880), (3680, 54832), (4232, 47680), (4768, 42320), (5290, 38144), (5888, 34270), (5960, 33856), (6854, 29440), (7360, 27416), (8464, 23840), (9536, 21160), (10580, 19072), (11776, 17135), (11920, 16928), (13708, 14720)]