255129280

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:391

約数の個数: 168

約数和(自身を含む): 722394288

約数和(自身を除く): 467265008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 53, 56, 64, 70, 80, 98, 106, 112, 140, 160, 196, 212, 224, 245, 265, 280, 307, 320, 371, 392, 424, 448, 490, 530, 560, 614, 742, 784, 848, 980, 1060, 1120, 1228, 1484, 1535, 1568, 1696, 1855, 1960, 2120, 2149, 2240, 2456, 2597, 2968, 3070, 3136, 3392, 3710, 3920, 4240, 4298, 4912, 5194, 5936, 6140, 7420, 7840, 8480, 8596, 9824, 10388, 10745, 11872, 12280, 12985, 14840, 15043, 15680, 16271, 16960, 17192, 19648, 20776, 21490, 23744, 24560, 25970, 29680, 30086, 32542, 34384, 41552, 42980, 49120, 51940, 59360, 60172, 65084, 68768, 75215, 81355, 83104, 85960, 98240, 103880, 113897, 118720, 120344, 130168, 137536, 150430, 162710, 166208, 171920, 207760, 227794, 240688, 260336, 300860, 325420, 343840, 415520, 455588, 481376, 520672, 569485, 601720, 650840, 687680, 797279, 831040, 911176, 962752, 1041344, 1138970, 1203440, 1301680, 1594558, 1822352, 2277940, 2406880, 2603360, 3189116, 3644704, 3986395, 4555880, 4813760, 5206720, 6378232, 7289408, 7972790, 9111760, 12756464, 15945580, 18223520, 25512928, 31891160, 36447040, 51025856, 63782320, 127564640, 255129280]

約数ペア:

[(1, 255129280), (2, 127564640), (4, 63782320), (5, 51025856), (7, 36447040), (8, 31891160), (10, 25512928), (14, 18223520), (16, 15945580), (20, 12756464), (28, 9111760), (32, 7972790), (35, 7289408), (40, 6378232), (49, 5206720), (53, 4813760), (56, 4555880), (64, 3986395), (70, 3644704), (80, 3189116), (98, 2603360), (106, 2406880), (112, 2277940), (140, 1822352), (160, 1594558), (196, 1301680), (212, 1203440), (224, 1138970), (245, 1041344), (265, 962752), (280, 911176), (307, 831040), (320, 797279), (371, 687680), (392, 650840), (424, 601720), (448, 569485), (490, 520672), (530, 481376), (560, 455588), (614, 415520), (742, 343840), (784, 325420), (848, 300860), (980, 260336), (1060, 240688), (1120, 227794), (1228, 207760), (1484, 171920), (1535, 166208), (1568, 162710), (1696, 150430), (1855, 137536), (1960, 130168), (2120, 120344), (2149, 118720), (2240, 113897), (2456, 103880), (2597, 98240), (2968, 85960), (3070, 83104), (3136, 81355), (3392, 75215), (3710, 68768), (3920, 65084), (4240, 60172), (4298, 59360), (4912, 51940), (5194, 49120), (5936, 42980), (6140, 41552), (7420, 34384), (7840, 32542), (8480, 30086), (8596, 29680), (9824, 25970), (10388, 24560), (10745, 23744), (11872, 21490), (12280, 20776), (12985, 19648), (14840, 17192), (15043, 16960), (15680, 16271)]