239406720

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:455

約数の個数: 256

約数和(自身を含む): 893030400

約数和(自身を除く): 653623680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 47, 48, 56, 60, 64, 70, 80, 84, 94, 96, 105, 112, 120, 128, 140, 141, 160, 168, 188, 192, 210, 224, 235, 240, 280, 282, 320, 329, 336, 376, 379, 384, 420, 448, 470, 480, 560, 564, 640, 658, 672, 705, 752, 758, 840, 896, 940, 960, 987, 1120, 1128, 1137, 1316, 1344, 1410, 1504, 1516, 1645, 1680, 1880, 1895, 1920, 1974, 2240, 2256, 2274, 2632, 2653, 2688, 2820, 3008, 3032, 3290, 3360, 3760, 3790, 3948, 4480, 4512, 4548, 4935, 5264, 5306, 5640, 5685, 6016, 6064, 6580, 6720, 7520, 7580, 7896, 7959, 9024, 9096, 9870, 10528, 10612, 11280, 11370, 12128, 13160, 13265, 13440, 15040, 15160, 15792, 15918, 17813, 18048, 18192, 19740, 21056, 21224, 22560, 22740, 24256, 26320, 26530, 30080, 30320, 31584, 31836, 35626, 36384, 39480, 39795, 42112, 42448, 45120, 45480, 48512, 52640, 53060, 53439, 60640, 63168, 63672, 71252, 72768, 78960, 79590, 84896, 89065, 90240, 90960, 105280, 106120, 106878, 121280, 124691, 126336, 127344, 142504, 145536, 157920, 159180, 169792, 178130, 181920, 210560, 212240, 213756, 242560, 249382, 254688, 267195, 285008, 315840, 318360, 339584, 356260, 363840, 374073, 424480, 427512, 498764, 509376, 534390, 570016, 623455, 631680, 636720, 712520, 727680, 748146, 848960, 855024, 997528, 1018752, 1068780, 1140032, 1246910, 1273440, 1425040, 1496292, 1697920, 1710048, 1870365, 1995056, 2137560, 2280064, 2493820, 2546880, 2850080, 2992584, 3420096, 3740730, 3990112, 4275120, 4987640, 5093760, 5700160, 5985168, 6840192, 7481460, 7980224, 8550240, 9975280, 11400320, 11970336, 14962920, 15960448, 17100480, 19950560, 23940672, 29925840, 34200960, 39901120, 47881344, 59851680, 79802240, 119703360, 239406720]

約数ペア:

[(1, 239406720), (2, 119703360), (3, 79802240), (4, 59851680), (5, 47881344), (6, 39901120), (7, 34200960), (8, 29925840), (10, 23940672), (12, 19950560), (14, 17100480), (15, 15960448), (16, 14962920), (20, 11970336), (21, 11400320), (24, 9975280), (28, 8550240), (30, 7980224), (32, 7481460), (35, 6840192), (40, 5985168), (42, 5700160), (47, 5093760), (48, 4987640), (56, 4275120), (60, 3990112), (64, 3740730), (70, 3420096), (80, 2992584), (84, 2850080), (94, 2546880), (96, 2493820), (105, 2280064), (112, 2137560), (120, 1995056), (128, 1870365), (140, 1710048), (141, 1697920), (160, 1496292), (168, 1425040), (188, 1273440), (192, 1246910), (210, 1140032), (224, 1068780), (235, 1018752), (240, 997528), (280, 855024), (282, 848960), (320, 748146), (329, 727680), (336, 712520), (376, 636720), (379, 631680), (384, 623455), (420, 570016), (448, 534390), (470, 509376), (480, 498764), (560, 427512), (564, 424480), (640, 374073), (658, 363840), (672, 356260), (705, 339584), (752, 318360), (758, 315840), (840, 285008), (896, 267195), (940, 254688), (960, 249382), (987, 242560), (1120, 213756), (1128, 212240), (1137, 210560), (1316, 181920), (1344, 178130), (1410, 169792), (1504, 159180), (1516, 157920), (1645, 145536), (1680, 142504), (1880, 127344), (1895, 126336), (1920, 124691), (1974, 121280), (2240, 106878), (2256, 106120), (2274, 105280), (2632, 90960), (2653, 90240), (2688, 89065), (2820, 84896), (3008, 79590), (3032, 78960), (3290, 72768), (3360, 71252), (3760, 63672), (3790, 63168), (3948, 60640), (4480, 53439), (4512, 53060), (4548, 52640), (4935, 48512), (5264, 45480), (5306, 45120), (5640, 42448), (5685, 42112), (6016, 39795), (6064, 39480), (6580, 36384), (6720, 35626), (7520, 31836), (7580, 31584), (7896, 30320), (7959, 30080), (9024, 26530), (9096, 26320), (9870, 24256), (10528, 22740), (10612, 22560), (11280, 21224), (11370, 21056), (12128, 19740), (13160, 18192), (13265, 18048), (13440, 17813), (15040, 15918), (15160, 15792)]