996940160

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{461}}^1$

素因数の和:620

約数の個数: 128

約数和(自身を含む): 2488147200

約数和(自身を除く): 1491207040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 109, 124, 128, 155, 160, 218, 248, 310, 320, 436, 461, 496, 545, 620, 640, 872, 922, 992, 1090, 1240, 1744, 1844, 1984, 2180, 2305, 2480, 3379, 3488, 3688, 3968, 4360, 4610, 4960, 6758, 6976, 7376, 8720, 9220, 9920, 13516, 13952, 14291, 14752, 16895, 17440, 18440, 19840, 27032, 28582, 29504, 33790, 34880, 36880, 50249, 54064, 57164, 59008, 67580, 69760, 71455, 73760, 100498, 108128, 114328, 135160, 142910, 147520, 200996, 216256, 228656, 251245, 270320, 285820, 295040, 401992, 432512, 457312, 502490, 540640, 571640, 803984, 914624, 1004980, 1081280, 1143280, 1557719, 1607968, 1829248, 2009960, 2162560, 2286560, 3115438, 3215936, 4019920, 4573120, 6230876, 6431872, 7788595, 8039840, 9146240, 12461752, 15577190, 16079680, 24923504, 31154380, 32159360, 49847008, 62308760, 99694016, 124617520, 199388032, 249235040, 498470080, 996940160]

約数ペア:

[(1, 996940160), (2, 498470080), (4, 249235040), (5, 199388032), (8, 124617520), (10, 99694016), (16, 62308760), (20, 49847008), (31, 32159360), (32, 31154380), (40, 24923504), (62, 16079680), (64, 15577190), (80, 12461752), (109, 9146240), (124, 8039840), (128, 7788595), (155, 6431872), (160, 6230876), (218, 4573120), (248, 4019920), (310, 3215936), (320, 3115438), (436, 2286560), (461, 2162560), (496, 2009960), (545, 1829248), (620, 1607968), (640, 1557719), (872, 1143280), (922, 1081280), (992, 1004980), (1090, 914624), (1240, 803984), (1744, 571640), (1844, 540640), (1984, 502490), (2180, 457312), (2305, 432512), (2480, 401992), (3379, 295040), (3488, 285820), (3688, 270320), (3968, 251245), (4360, 228656), (4610, 216256), (4960, 200996), (6758, 147520), (6976, 142910), (7376, 135160), (8720, 114328), (9220, 108128), (9920, 100498), (13516, 73760), (13952, 71455), (14291, 69760), (14752, 67580), (16895, 59008), (17440, 57164), (18440, 54064), (19840, 50249), (27032, 36880), (28582, 34880), (29504, 33790)]