456790720

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{373}}^1$

素因数の和:522

約数の個数: 112

約数和(自身を含む): 1128552480

約数和(自身を除く): 671761760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 89, 160, 172, 178, 215, 320, 344, 356, 373, 430, 445, 688, 712, 746, 860, 890, 1376, 1424, 1492, 1720, 1780, 1865, 2752, 2848, 2984, 3440, 3560, 3730, 3827, 5696, 5968, 6880, 7120, 7460, 7654, 11936, 13760, 14240, 14920, 15308, 16039, 19135, 23872, 28480, 29840, 30616, 32078, 33197, 38270, 59680, 61232, 64156, 66394, 76540, 80195, 119360, 122464, 128312, 132788, 153080, 160390, 165985, 244928, 256624, 265576, 306160, 320780, 331970, 513248, 531152, 612320, 641560, 663940, 1026496, 1062304, 1224640, 1283120, 1327880, 1427471, 2124608, 2566240, 2655760, 2854942, 5132480, 5311520, 5709884, 7137355, 10623040, 11419768, 14274710, 22839536, 28549420, 45679072, 57098840, 91358144, 114197680, 228395360, 456790720]

約数ペア:

[(1, 456790720), (2, 228395360), (4, 114197680), (5, 91358144), (8, 57098840), (10, 45679072), (16, 28549420), (20, 22839536), (32, 14274710), (40, 11419768), (43, 10623040), (64, 7137355), (80, 5709884), (86, 5311520), (89, 5132480), (160, 2854942), (172, 2655760), (178, 2566240), (215, 2124608), (320, 1427471), (344, 1327880), (356, 1283120), (373, 1224640), (430, 1062304), (445, 1026496), (688, 663940), (712, 641560), (746, 612320), (860, 531152), (890, 513248), (1376, 331970), (1424, 320780), (1492, 306160), (1720, 265576), (1780, 256624), (1865, 244928), (2752, 165985), (2848, 160390), (2984, 153080), (3440, 132788), (3560, 128312), (3730, 122464), (3827, 119360), (5696, 80195), (5968, 76540), (6880, 66394), (7120, 64156), (7460, 61232), (7654, 59680), (11936, 38270), (13760, 33197), (14240, 32078), (14920, 30616), (15308, 29840), (16039, 28480), (19135, 23872)]