320122560

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2399}}^1$

素因数の和:2558

約数の個数: 112

約数和(自身を含む): 1024128000

約数和(自身を除く): 704005440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 139, 160, 192, 240, 278, 320, 417, 480, 556, 695, 834, 960, 1112, 1390, 1668, 2085, 2224, 2399, 2780, 3336, 4170, 4448, 4798, 5560, 6672, 7197, 8340, 8896, 9596, 11120, 11995, 13344, 14394, 16680, 19192, 22240, 23990, 26688, 28788, 33360, 35985, 38384, 44480, 47980, 57576, 66720, 71970, 76768, 95960, 115152, 133440, 143940, 153536, 191920, 230304, 287880, 333461, 383840, 460608, 575760, 666922, 767680, 1000383, 1151520, 1333844, 1667305, 2000766, 2303040, 2667688, 3334610, 4001532, 5001915, 5335376, 6669220, 8003064, 10003830, 10670752, 13338440, 16006128, 20007660, 21341504, 26676880, 32012256, 40015320, 53353760, 64024512, 80030640, 106707520, 160061280, 320122560]

約数ペア:

[(1, 320122560), (2, 160061280), (3, 106707520), (4, 80030640), (5, 64024512), (6, 53353760), (8, 40015320), (10, 32012256), (12, 26676880), (15, 21341504), (16, 20007660), (20, 16006128), (24, 13338440), (30, 10670752), (32, 10003830), (40, 8003064), (48, 6669220), (60, 5335376), (64, 5001915), (80, 4001532), (96, 3334610), (120, 2667688), (139, 2303040), (160, 2000766), (192, 1667305), (240, 1333844), (278, 1151520), (320, 1000383), (417, 767680), (480, 666922), (556, 575760), (695, 460608), (834, 383840), (960, 333461), (1112, 287880), (1390, 230304), (1668, 191920), (2085, 153536), (2224, 143940), (2399, 133440), (2780, 115152), (3336, 95960), (4170, 76768), (4448, 71970), (4798, 66720), (5560, 57576), (6672, 47980), (7197, 44480), (8340, 38384), (8896, 35985), (9596, 33360), (11120, 28788), (11995, 26688), (13344, 23990), (14394, 22240), (16680, 19192)]