420704256

素因数分解:

$2^{12}\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:174

約数の個数: 208

約数和(自身を含む): 1318947584

約数和(自身を除く): 898243328

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 67, 73, 84, 96, 112, 128, 134, 146, 168, 192, 201, 219, 224, 256, 268, 292, 336, 384, 402, 438, 448, 469, 511, 512, 536, 584, 672, 768, 804, 876, 896, 938, 1022, 1024, 1072, 1168, 1344, 1407, 1533, 1536, 1608, 1752, 1792, 1876, 2044, 2048, 2144, 2336, 2688, 2814, 3066, 3072, 3216, 3504, 3584, 3752, 4088, 4096, 4288, 4672, 4891, 5376, 5628, 6132, 6144, 6432, 7008, 7168, 7504, 8176, 8576, 9344, 9782, 10752, 11256, 12264, 12288, 12864, 14016, 14336, 14673, 15008, 16352, 17152, 18688, 19564, 21504, 22512, 24528, 25728, 28032, 28672, 29346, 30016, 32704, 34237, 34304, 37376, 39128, 43008, 45024, 49056, 51456, 56064, 58692, 60032, 65408, 68474, 68608, 74752, 78256, 86016, 90048, 98112, 102711, 102912, 112128, 117384, 120064, 130816, 136948, 137216, 149504, 156512, 180096, 196224, 205422, 205824, 224256, 234768, 240128, 261632, 273896, 274432, 299008, 313024, 360192, 392448, 410844, 411648, 448512, 469536, 480256, 523264, 547792, 626048, 720384, 784896, 821688, 823296, 897024, 939072, 960512, 1046528, 1095584, 1252096, 1440768, 1569792, 1643376, 1878144, 1921024, 2093056, 2191168, 2504192, 2881536, 3139584, 3286752, 3756288, 4382336, 5008384, 5763072, 6279168, 6573504, 7512576, 8764672, 10016768, 13147008, 15025152, 17529344, 20033536, 26294016, 30050304, 35058688, 52588032, 60100608, 70117376, 105176064, 140234752, 210352128, 420704256]

約数ペア:

[(1, 420704256), (2, 210352128), (3, 140234752), (4, 105176064), (6, 70117376), (7, 60100608), (8, 52588032), (12, 35058688), (14, 30050304), (16, 26294016), (21, 20033536), (24, 17529344), (28, 15025152), (32, 13147008), (42, 10016768), (48, 8764672), (56, 7512576), (64, 6573504), (67, 6279168), (73, 5763072), (84, 5008384), (96, 4382336), (112, 3756288), (128, 3286752), (134, 3139584), (146, 2881536), (168, 2504192), (192, 2191168), (201, 2093056), (219, 1921024), (224, 1878144), (256, 1643376), (268, 1569792), (292, 1440768), (336, 1252096), (384, 1095584), (402, 1046528), (438, 960512), (448, 939072), (469, 897024), (511, 823296), (512, 821688), (536, 784896), (584, 720384), (672, 626048), (768, 547792), (804, 523264), (876, 480256), (896, 469536), (938, 448512), (1022, 411648), (1024, 410844), (1072, 392448), (1168, 360192), (1344, 313024), (1407, 299008), (1533, 274432), (1536, 273896), (1608, 261632), (1752, 240128), (1792, 234768), (1876, 224256), (2044, 205824), (2048, 205422), (2144, 196224), (2336, 180096), (2688, 156512), (2814, 149504), (3066, 137216), (3072, 136948), (3216, 130816), (3504, 120064), (3584, 117384), (3752, 112128), (4088, 102912), (4096, 102711), (4288, 98112), (4672, 90048), (4891, 86016), (5376, 78256), (5628, 74752), (6132, 68608), (6144, 68474), (6432, 65408), (7008, 60032), (7168, 58692), (7504, 56064), (8176, 51456), (8576, 49056), (9344, 45024), (9782, 43008), (10752, 39128), (11256, 37376), (12264, 34304), (12288, 34237), (12864, 32704), (14016, 30016), (14336, 29346), (14673, 28672), (15008, 28032), (16352, 25728), (17152, 24528), (18688, 22512), (19564, 21504)]