28698960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{607}}^1$

素因数の和:820

約数の個数: 80

約数和(自身を含む): 89565696

約数和(自身を除く): 60866736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 197, 240, 394, 591, 607, 788, 985, 1182, 1214, 1576, 1821, 1970, 2364, 2428, 2955, 3035, 3152, 3642, 3940, 4728, 4856, 5910, 6070, 7284, 7880, 9105, 9456, 9712, 11820, 12140, 14568, 15760, 18210, 23640, 24280, 29136, 36420, 47280, 48560, 72840, 119579, 145680, 239158, 358737, 478316, 597895, 717474, 956632, 1195790, 1434948, 1793685, 1913264, 2391580, 2869896, 3587370, 4783160, 5739792, 7174740, 9566320, 14349480, 28698960]

約数ペア:

[(1, 28698960), (2, 14349480), (3, 9566320), (4, 7174740), (5, 5739792), (6, 4783160), (8, 3587370), (10, 2869896), (12, 2391580), (15, 1913264), (16, 1793685), (20, 1434948), (24, 1195790), (30, 956632), (40, 717474), (48, 597895), (60, 478316), (80, 358737), (120, 239158), (197, 145680), (240, 119579), (394, 72840), (591, 48560), (607, 47280), (788, 36420), (985, 29136), (1182, 24280), (1214, 23640), (1576, 18210), (1821, 15760), (1970, 14568), (2364, 12140), (2428, 11820), (2955, 9712), (3035, 9456), (3152, 9105), (3642, 7880), (3940, 7284), (4728, 6070), (4856, 5910)]