201720647680

素因数分解:

$2^{12}\times 5^1\times {\mathrm{79}}^1\times {\mathrm{124679}}^1$

素因数の和:124787

約数の個数: 104

約数和(自身を含む): 490201862400

約数和(自身を除く): 288481214720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 512, 632, 640, 790, 1024, 1264, 1280, 1580, 2048, 2528, 2560, 3160, 4096, 5056, 5120, 6320, 10112, 10240, 12640, 20224, 20480, 25280, 40448, 50560, 80896, 101120, 124679, 161792, 202240, 249358, 323584, 404480, 498716, 623395, 808960, 997432, 1246790, 1617920, 1994864, 2493580, 3989728, 4987160, 7979456, 9849641, 9974320, 15958912, 19699282, 19948640, 31917824, 39398564, 39897280, 49248205, 63835648, 78797128, 79794560, 98496410, 127671296, 157594256, 159589120, 196992820, 255342592, 315188512, 319178240, 393985640, 510685184, 630377024, 638356480, 787971280, 1260754048, 1276712960, 1575942560, 2521508096, 2553425920, 3151885120, 5043016192, 6303770240, 10086032384, 12607540480, 20172064768, 25215080960, 40344129536, 50430161920, 100860323840, 201720647680]

約数ペア:

[(1, 201720647680), (2, 100860323840), (4, 50430161920), (5, 40344129536), (8, 25215080960), (10, 20172064768), (16, 12607540480), (20, 10086032384), (32, 6303770240), (40, 5043016192), (64, 3151885120), (79, 2553425920), (80, 2521508096), (128, 1575942560), (158, 1276712960), (160, 1260754048), (256, 787971280), (316, 638356480), (320, 630377024), (395, 510685184), (512, 393985640), (632, 319178240), (640, 315188512), (790, 255342592), (1024, 196992820), (1264, 159589120), (1280, 157594256), (1580, 127671296), (2048, 98496410), (2528, 79794560), (2560, 78797128), (3160, 63835648), (4096, 49248205), (5056, 39897280), (5120, 39398564), (6320, 31917824), (10112, 19948640), (10240, 19699282), (12640, 15958912), (20224, 9974320), (20480, 9849641), (25280, 7979456), (40448, 4987160), (50560, 3989728), (80896, 2493580), (101120, 1994864), (124679, 1617920), (161792, 1246790), (202240, 997432), (249358, 808960), (323584, 623395), (404480, 498716)]