221406720

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:380

約数の個数: 160

約数和(自身を含む): 716525568

約数和(自身を除く): 495118848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 127, 128, 160, 192, 227, 240, 254, 256, 320, 381, 384, 454, 480, 508, 512, 635, 640, 681, 762, 768, 908, 960, 1016, 1135, 1270, 1280, 1362, 1524, 1536, 1816, 1905, 1920, 2032, 2270, 2540, 2560, 2724, 3048, 3405, 3632, 3810, 3840, 4064, 4540, 5080, 5448, 6096, 6810, 7264, 7620, 7680, 8128, 9080, 10160, 10896, 12192, 13620, 14528, 15240, 16256, 18160, 20320, 21792, 24384, 27240, 28829, 29056, 30480, 32512, 36320, 40640, 43584, 48768, 54480, 57658, 58112, 60960, 65024, 72640, 81280, 86487, 87168, 97536, 108960, 115316, 116224, 121920, 144145, 145280, 162560, 172974, 174336, 195072, 217920, 230632, 243840, 288290, 290560, 325120, 345948, 348672, 432435, 435840, 461264, 487680, 576580, 581120, 691896, 864870, 871680, 922528, 975360, 1153160, 1383792, 1729740, 1743360, 1845056, 2306320, 2767584, 3459480, 3690112, 4612640, 5535168, 6918960, 7380224, 9225280, 11070336, 13837920, 14760448, 18450560, 22140672, 27675840, 36901120, 44281344, 55351680, 73802240, 110703360, 221406720]

約数ペア:

[(1, 221406720), (2, 110703360), (3, 73802240), (4, 55351680), (5, 44281344), (6, 36901120), (8, 27675840), (10, 22140672), (12, 18450560), (15, 14760448), (16, 13837920), (20, 11070336), (24, 9225280), (30, 7380224), (32, 6918960), (40, 5535168), (48, 4612640), (60, 3690112), (64, 3459480), (80, 2767584), (96, 2306320), (120, 1845056), (127, 1743360), (128, 1729740), (160, 1383792), (192, 1153160), (227, 975360), (240, 922528), (254, 871680), (256, 864870), (320, 691896), (381, 581120), (384, 576580), (454, 487680), (480, 461264), (508, 435840), (512, 432435), (635, 348672), (640, 345948), (681, 325120), (762, 290560), (768, 288290), (908, 243840), (960, 230632), (1016, 217920), (1135, 195072), (1270, 174336), (1280, 172974), (1362, 162560), (1524, 145280), (1536, 144145), (1816, 121920), (1905, 116224), (1920, 115316), (2032, 108960), (2270, 97536), (2540, 87168), (2560, 86487), (2724, 81280), (3048, 72640), (3405, 65024), (3632, 60960), (3810, 58112), (3840, 57658), (4064, 54480), (4540, 48768), (5080, 43584), (5448, 40640), (6096, 36320), (6810, 32512), (7264, 30480), (7620, 29056), (7680, 28829), (8128, 27240), (9080, 24384), (10160, 21792), (10896, 20320), (12192, 18160), (13620, 16256), (14528, 15240)]