168064640

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:290

約数の個数: 128

約数和(自身を含む): 426539520

約数和(自身を除く): 258474880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 62, 64, 80, 86, 124, 128, 155, 160, 172, 197, 215, 248, 310, 320, 344, 394, 430, 496, 620, 640, 688, 788, 860, 985, 992, 1240, 1333, 1376, 1576, 1720, 1970, 1984, 2480, 2666, 2752, 3152, 3440, 3940, 3968, 4960, 5332, 5504, 6107, 6304, 6665, 6880, 7880, 8471, 9920, 10664, 12214, 12608, 13330, 13760, 15760, 16942, 19840, 21328, 24428, 25216, 26660, 27520, 30535, 31520, 33884, 42355, 42656, 48856, 53320, 61070, 63040, 67768, 84710, 85312, 97712, 106640, 122140, 126080, 135536, 169420, 170624, 195424, 213280, 244280, 262601, 271072, 338840, 390848, 426560, 488560, 525202, 542144, 677680, 781696, 853120, 977120, 1050404, 1084288, 1313005, 1355360, 1954240, 2100808, 2626010, 2710720, 3908480, 4201616, 5252020, 5421440, 8403232, 10504040, 16806464, 21008080, 33612928, 42016160, 84032320, 168064640]

約数ペア:

[(1, 168064640), (2, 84032320), (4, 42016160), (5, 33612928), (8, 21008080), (10, 16806464), (16, 10504040), (20, 8403232), (31, 5421440), (32, 5252020), (40, 4201616), (43, 3908480), (62, 2710720), (64, 2626010), (80, 2100808), (86, 1954240), (124, 1355360), (128, 1313005), (155, 1084288), (160, 1050404), (172, 977120), (197, 853120), (215, 781696), (248, 677680), (310, 542144), (320, 525202), (344, 488560), (394, 426560), (430, 390848), (496, 338840), (620, 271072), (640, 262601), (688, 244280), (788, 213280), (860, 195424), (985, 170624), (992, 169420), (1240, 135536), (1333, 126080), (1376, 122140), (1576, 106640), (1720, 97712), (1970, 85312), (1984, 84710), (2480, 67768), (2666, 63040), (2752, 61070), (3152, 53320), (3440, 48856), (3940, 42656), (3968, 42355), (4960, 33884), (5332, 31520), (5504, 30535), (6107, 27520), (6304, 26660), (6665, 25216), (6880, 24428), (7880, 21328), (8471, 19840), (9920, 16942), (10664, 15760), (12214, 13760), (12608, 13330)]