2557351560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{108179}}^1$

素因数の和:108390

約数の個数: 64

約数和(自身を含む): 7711070400

約数和(自身を除く): 5153718840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 197, 394, 591, 788, 985, 1182, 1576, 1970, 2364, 2955, 3940, 4728, 5910, 7880, 11820, 23640, 108179, 216358, 324537, 432716, 540895, 649074, 865432, 1081790, 1298148, 1622685, 2163580, 2596296, 3245370, 4327160, 6490740, 12981480, 21311263, 42622526, 63933789, 85245052, 106556315, 127867578, 170490104, 213112630, 255735156, 319668945, 426225260, 511470312, 639337890, 852450520, 1278675780, 2557351560]

約数ペア:

[(1, 2557351560), (2, 1278675780), (3, 852450520), (4, 639337890), (5, 511470312), (6, 426225260), (8, 319668945), (10, 255735156), (12, 213112630), (15, 170490104), (20, 127867578), (24, 106556315), (30, 85245052), (40, 63933789), (60, 42622526), (120, 21311263), (197, 12981480), (394, 6490740), (591, 4327160), (788, 3245370), (985, 2596296), (1182, 2163580), (1576, 1622685), (1970, 1298148), (2364, 1081790), (2955, 865432), (3940, 649074), (4728, 540895), (5910, 432716), (7880, 324537), (11820, 216358), (23640, 108179)]