256414800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{107}}^1\times {\mathrm{1997}}^1$

素因数の和:2125

約数の個数: 120

約数和(自身を含む): 829473696

約数和(自身を除く): 573058896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 107, 120, 150, 200, 214, 240, 300, 321, 400, 428, 535, 600, 642, 856, 1070, 1200, 1284, 1605, 1712, 1997, 2140, 2568, 2675, 3210, 3994, 4280, 5136, 5350, 5991, 6420, 7988, 8025, 8560, 9985, 10700, 11982, 12840, 15976, 16050, 19970, 21400, 23964, 25680, 29955, 31952, 32100, 39940, 42800, 47928, 49925, 59910, 64200, 79880, 95856, 99850, 119820, 128400, 149775, 159760, 199700, 213679, 239640, 299550, 399400, 427358, 479280, 599100, 641037, 798800, 854716, 1068395, 1198200, 1282074, 1709432, 2136790, 2396400, 2564148, 3205185, 3418864, 4273580, 5128296, 5341975, 6410370, 8547160, 10256592, 10683950, 12820740, 16025925, 17094320, 21367900, 25641480, 32051850, 42735800, 51282960, 64103700, 85471600, 128207400, 256414800]

約数ペア:

[(1, 256414800), (2, 128207400), (3, 85471600), (4, 64103700), (5, 51282960), (6, 42735800), (8, 32051850), (10, 25641480), (12, 21367900), (15, 17094320), (16, 16025925), (20, 12820740), (24, 10683950), (25, 10256592), (30, 8547160), (40, 6410370), (48, 5341975), (50, 5128296), (60, 4273580), (75, 3418864), (80, 3205185), (100, 2564148), (107, 2396400), (120, 2136790), (150, 1709432), (200, 1282074), (214, 1198200), (240, 1068395), (300, 854716), (321, 798800), (400, 641037), (428, 599100), (535, 479280), (600, 427358), (642, 399400), (856, 299550), (1070, 239640), (1200, 213679), (1284, 199700), (1605, 159760), (1712, 149775), (1997, 128400), (2140, 119820), (2568, 99850), (2675, 95856), (3210, 79880), (3994, 64200), (4280, 59910), (5136, 49925), (5350, 47928), (5991, 42800), (6420, 39940), (7988, 32100), (8025, 31952), (8560, 29955), (9985, 25680), (10700, 23964), (11982, 21400), (12840, 19970), (15976, 16050)]