259491120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{154459}}^1$

素因数の和:154482

約数の個数: 80

約数和(自身を含む): 919345920

約数和(自身を除く): 659854800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 154459, 308918, 463377, 617836, 772295, 926754, 1081213, 1235672, 1544590, 1853508, 2162426, 2316885, 2471344, 3089180, 3243639, 3707016, 4324852, 4633770, 5406065, 6178360, 6487278, 7414032, 8649704, 9267540, 10812130, 12356720, 12974556, 16218195, 17299408, 18535080, 21624260, 25949112, 32436390, 37070160, 43248520, 51898224, 64872780, 86497040, 129745560, 259491120]

約数ペア:

[(1, 259491120), (2, 129745560), (3, 86497040), (4, 64872780), (5, 51898224), (6, 43248520), (7, 37070160), (8, 32436390), (10, 25949112), (12, 21624260), (14, 18535080), (15, 17299408), (16, 16218195), (20, 12974556), (21, 12356720), (24, 10812130), (28, 9267540), (30, 8649704), (35, 7414032), (40, 6487278), (42, 6178360), (48, 5406065), (56, 4633770), (60, 4324852), (70, 3707016), (80, 3243639), (84, 3089180), (105, 2471344), (112, 2316885), (120, 2162426), (140, 1853508), (168, 1544590), (210, 1235672), (240, 1081213), (280, 926754), (336, 772295), (420, 617836), (560, 463377), (840, 308918), (1680, 154459)]