248188480

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:372

約数の個数: 112

約数和(自身を含む): 617988096

約数和(自身を除く): 369799616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 127, 155, 160, 197, 248, 254, 310, 320, 394, 496, 508, 620, 635, 788, 985, 992, 1016, 1240, 1270, 1576, 1970, 1984, 2032, 2480, 2540, 3152, 3937, 3940, 4064, 4960, 5080, 6107, 6304, 7874, 7880, 8128, 9920, 10160, 12214, 12608, 15748, 15760, 19685, 20320, 24428, 25019, 30535, 31496, 31520, 39370, 40640, 48856, 50038, 61070, 62992, 63040, 78740, 97712, 100076, 122140, 125095, 125984, 157480, 195424, 200152, 244280, 250190, 251968, 314960, 390848, 400304, 488560, 500380, 629920, 775589, 800608, 977120, 1000760, 1259840, 1551178, 1601216, 1954240, 2001520, 3102356, 3877945, 4003040, 6204712, 7755890, 8006080, 12409424, 15511780, 24818848, 31023560, 49637696, 62047120, 124094240, 248188480]

約数ペア:

[(1, 248188480), (2, 124094240), (4, 62047120), (5, 49637696), (8, 31023560), (10, 24818848), (16, 15511780), (20, 12409424), (31, 8006080), (32, 7755890), (40, 6204712), (62, 4003040), (64, 3877945), (80, 3102356), (124, 2001520), (127, 1954240), (155, 1601216), (160, 1551178), (197, 1259840), (248, 1000760), (254, 977120), (310, 800608), (320, 775589), (394, 629920), (496, 500380), (508, 488560), (620, 400304), (635, 390848), (788, 314960), (985, 251968), (992, 250190), (1016, 244280), (1240, 200152), (1270, 195424), (1576, 157480), (1970, 125984), (1984, 125095), (2032, 122140), (2480, 100076), (2540, 97712), (3152, 78740), (3937, 63040), (3940, 62992), (4064, 61070), (4960, 50038), (5080, 48856), (6107, 40640), (6304, 39370), (7874, 31520), (7880, 31496), (8128, 30535), (9920, 25019), (10160, 24428), (12214, 20320), (12608, 19685), (15748, 15760)]