256926240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2663}}^1$

素因数の和:2751

約数の個数: 144

約数和(自身を含む): 890180928

約数和(自身を除く): 633254688

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 67, 72, 80, 90, 96, 120, 134, 144, 160, 180, 201, 240, 268, 288, 335, 360, 402, 480, 536, 603, 670, 720, 804, 1005, 1072, 1206, 1340, 1440, 1608, 2010, 2144, 2412, 2663, 2680, 3015, 3216, 4020, 4824, 5326, 5360, 6030, 6432, 7989, 8040, 9648, 10652, 10720, 12060, 13315, 15978, 16080, 19296, 21304, 23967, 24120, 26630, 31956, 32160, 39945, 42608, 47934, 48240, 53260, 63912, 79890, 85216, 95868, 96480, 106520, 119835, 127824, 159780, 178421, 191736, 213040, 239670, 255648, 319560, 356842, 383472, 426080, 479340, 535263, 639120, 713684, 766944, 892105, 958680, 1070526, 1278240, 1427368, 1605789, 1784210, 1917360, 2141052, 2676315, 2854736, 3211578, 3568420, 3834720, 4282104, 5352630, 5709472, 6423156, 7136840, 8028945, 8564208, 10705260, 12846312, 14273680, 16057890, 17128416, 21410520, 25692624, 28547360, 32115780, 42821040, 51385248, 64231560, 85642080, 128463120, 256926240]

約数ペア:

[(1, 256926240), (2, 128463120), (3, 85642080), (4, 64231560), (5, 51385248), (6, 42821040), (8, 32115780), (9, 28547360), (10, 25692624), (12, 21410520), (15, 17128416), (16, 16057890), (18, 14273680), (20, 12846312), (24, 10705260), (30, 8564208), (32, 8028945), (36, 7136840), (40, 6423156), (45, 5709472), (48, 5352630), (60, 4282104), (67, 3834720), (72, 3568420), (80, 3211578), (90, 2854736), (96, 2676315), (120, 2141052), (134, 1917360), (144, 1784210), (160, 1605789), (180, 1427368), (201, 1278240), (240, 1070526), (268, 958680), (288, 892105), (335, 766944), (360, 713684), (402, 639120), (480, 535263), (536, 479340), (603, 426080), (670, 383472), (720, 356842), (804, 319560), (1005, 255648), (1072, 239670), (1206, 213040), (1340, 191736), (1440, 178421), (1608, 159780), (2010, 127824), (2144, 119835), (2412, 106520), (2663, 96480), (2680, 95868), (3015, 85216), (3216, 79890), (4020, 63912), (4824, 53260), (5326, 48240), (5360, 47934), (6030, 42608), (6432, 39945), (7989, 32160), (8040, 31956), (9648, 26630), (10652, 24120), (10720, 23967), (12060, 21304), (13315, 19296), (15978, 16080)]