7816960

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 19426176

約数和(自身を除く): 11609216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 197, 248, 256, 310, 320, 394, 496, 620, 640, 788, 985, 992, 1240, 1280, 1576, 1970, 1984, 2480, 3152, 3940, 3968, 4960, 6107, 6304, 7880, 7936, 9920, 12214, 12608, 15760, 19840, 24428, 25216, 30535, 31520, 39680, 48856, 50432, 61070, 63040, 97712, 122140, 126080, 195424, 244280, 252160, 390848, 488560, 781696, 977120, 1563392, 1954240, 3908480, 7816960]

約数ペア:

[(1, 7816960), (2, 3908480), (4, 1954240), (5, 1563392), (8, 977120), (10, 781696), (16, 488560), (20, 390848), (31, 252160), (32, 244280), (40, 195424), (62, 126080), (64, 122140), (80, 97712), (124, 63040), (128, 61070), (155, 50432), (160, 48856), (197, 39680), (248, 31520), (256, 30535), (310, 25216), (320, 24428), (394, 19840), (496, 15760), (620, 12608), (640, 12214), (788, 9920), (985, 7936), (992, 7880), (1240, 6304), (1280, 6107), (1576, 4960), (1970, 3968), (1984, 3940), (2480, 3152)]