489087960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1217}}^1$

素因数の和:1445

約数の個数: 128

約数和(自身を含む): 1562742720

約数和(自身を除く): 1073654760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 197, 204, 255, 340, 394, 408, 510, 591, 680, 788, 985, 1020, 1182, 1217, 1576, 1970, 2040, 2364, 2434, 2955, 3349, 3651, 3940, 4728, 4868, 5910, 6085, 6698, 7302, 7880, 9736, 10047, 11820, 12170, 13396, 14604, 16745, 18255, 20094, 20689, 23640, 24340, 26792, 29208, 33490, 36510, 40188, 41378, 48680, 50235, 62067, 66980, 73020, 80376, 82756, 100470, 103445, 124134, 133960, 146040, 165512, 200940, 206890, 239749, 248268, 310335, 401880, 413780, 479498, 496536, 620670, 719247, 827560, 958996, 1198745, 1241340, 1438494, 1917992, 2397490, 2482680, 2876988, 3596235, 4075733, 4794980, 5753976, 7192470, 8151466, 9589960, 12227199, 14384940, 16302932, 20378665, 24454398, 28769880, 32605864, 40757330, 48908796, 61135995, 81514660, 97817592, 122271990, 163029320, 244543980, 489087960]

約数ペア:

[(1, 489087960), (2, 244543980), (3, 163029320), (4, 122271990), (5, 97817592), (6, 81514660), (8, 61135995), (10, 48908796), (12, 40757330), (15, 32605864), (17, 28769880), (20, 24454398), (24, 20378665), (30, 16302932), (34, 14384940), (40, 12227199), (51, 9589960), (60, 8151466), (68, 7192470), (85, 5753976), (102, 4794980), (120, 4075733), (136, 3596235), (170, 2876988), (197, 2482680), (204, 2397490), (255, 1917992), (340, 1438494), (394, 1241340), (408, 1198745), (510, 958996), (591, 827560), (680, 719247), (788, 620670), (985, 496536), (1020, 479498), (1182, 413780), (1217, 401880), (1576, 310335), (1970, 248268), (2040, 239749), (2364, 206890), (2434, 200940), (2955, 165512), (3349, 146040), (3651, 133960), (3940, 124134), (4728, 103445), (4868, 100470), (5910, 82756), (6085, 80376), (6698, 73020), (7302, 66980), (7880, 62067), (9736, 50235), (10047, 48680), (11820, 41378), (12170, 40188), (13396, 36510), (14604, 33490), (16745, 29208), (18255, 26792), (20094, 24340), (20689, 23640)]