421290240

素因数分解:

$2^8\times 3^1\times 5^1\times 7^2\times {\mathrm{2239}}^1$

素因数の和:2277

約数の個数: 216

約数和(自身を含む): 1565867520

約数和(自身を除く): 1144577280

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, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 560, 588, 640, 672, 735, 768, 784, 840, 896, 960, 980, 1120, 1176, 1280, 1344, 1470, 1568, 1680, 1792, 1920, 1960, 2239, 2240, 2352, 2688, 2940, 3136, 3360, 3840, 3920, 4478, 4480, 4704, 5376, 5880, 6272, 6717, 6720, 7840, 8956, 8960, 9408, 11195, 11760, 12544, 13434, 13440, 15673, 15680, 17912, 18816, 22390, 23520, 26868, 26880, 31346, 31360, 33585, 35824, 37632, 44780, 47019, 47040, 53736, 62692, 62720, 67170, 71648, 78365, 89560, 94038, 94080, 107472, 109711, 125384, 134340, 143296, 156730, 179120, 188076, 188160, 214944, 219422, 235095, 250768, 268680, 286592, 313460, 329133, 358240, 376152, 429888, 438844, 470190, 501536, 537360, 548555, 573184, 626920, 658266, 716480, 752304, 859776, 877688, 940380, 1003072, 1074720, 1097110, 1253840, 1316532, 1432960, 1504608, 1645665, 1719552, 1755376, 1880760, 2006144, 2149440, 2194220, 2507680, 2633064, 2865920, 3009216, 3291330, 3510752, 3761520, 4012288, 4298880, 4388440, 5015360, 5266128, 6018432, 6582660, 7021504, 7523040, 8597760, 8776880, 10030720, 10532256, 12036864, 13165320, 14043008, 15046080, 17553760, 20061440, 21064512, 26330640, 28086016, 30092160, 35107520, 42129024, 52661280, 60184320, 70215040, 84258048, 105322560, 140430080, 210645120, 421290240]

約数ペア:

[(1, 421290240), (2, 210645120), (3, 140430080), (4, 105322560), (5, 84258048), (6, 70215040), (7, 60184320), (8, 52661280), (10, 42129024), (12, 35107520), (14, 30092160), (15, 28086016), (16, 26330640), (20, 21064512), (21, 20061440), (24, 17553760), (28, 15046080), (30, 14043008), (32, 13165320), (35, 12036864), (40, 10532256), (42, 10030720), (48, 8776880), (49, 8597760), (56, 7523040), (60, 7021504), (64, 6582660), (70, 6018432), (80, 5266128), (84, 5015360), (96, 4388440), (98, 4298880), (105, 4012288), (112, 3761520), (120, 3510752), (128, 3291330), (140, 3009216), (147, 2865920), (160, 2633064), (168, 2507680), (192, 2194220), (196, 2149440), (210, 2006144), (224, 1880760), (240, 1755376), (245, 1719552), (256, 1645665), (280, 1504608), (294, 1432960), (320, 1316532), (336, 1253840), (384, 1097110), (392, 1074720), (420, 1003072), (448, 940380), (480, 877688), (490, 859776), (560, 752304), (588, 716480), (640, 658266), (672, 626920), (735, 573184), (768, 548555), (784, 537360), (840, 501536), (896, 470190), (960, 438844), (980, 429888), (1120, 376152), (1176, 358240), (1280, 329133), (1344, 313460), (1470, 286592), (1568, 268680), (1680, 250768), (1792, 235095), (1920, 219422), (1960, 214944), (2239, 188160), (2240, 188076), (2352, 179120), (2688, 156730), (2940, 143296), (3136, 134340), (3360, 125384), (3840, 109711), (3920, 107472), (4478, 94080), (4480, 94038), (4704, 89560), (5376, 78365), (5880, 71648), (6272, 67170), (6717, 62720), (6720, 62692), (7840, 53736), (8956, 47040), (8960, 47019), (9408, 44780), (11195, 37632), (11760, 35824), (12544, 33585), (13434, 31360), (13440, 31346), (15673, 26880), (15680, 26868), (17912, 23520), (18816, 22390)]