80872440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:533

約数の個数: 128

約数和(自身を含む): 266872320

約数和(自身を除く): 185999880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 197, 220, 264, 311, 330, 394, 440, 591, 622, 660, 788, 933, 985, 1182, 1244, 1320, 1555, 1576, 1866, 1970, 2167, 2364, 2488, 2955, 3110, 3421, 3732, 3940, 4334, 4665, 4728, 5910, 6220, 6501, 6842, 7464, 7880, 8668, 9330, 10263, 10835, 11820, 12440, 13002, 13684, 17105, 17336, 18660, 20526, 21670, 23640, 26004, 27368, 32505, 34210, 37320, 41052, 43340, 51315, 52008, 61267, 65010, 68420, 82104, 86680, 102630, 122534, 130020, 136840, 183801, 205260, 245068, 260040, 306335, 367602, 410520, 490136, 612670, 673937, 735204, 919005, 1225340, 1347874, 1470408, 1838010, 2021811, 2450680, 2695748, 3369685, 3676020, 4043622, 5391496, 6739370, 7352040, 8087244, 10109055, 13478740, 16174488, 20218110, 26957480, 40436220, 80872440]

約数ペア:

[(1, 80872440), (2, 40436220), (3, 26957480), (4, 20218110), (5, 16174488), (6, 13478740), (8, 10109055), (10, 8087244), (11, 7352040), (12, 6739370), (15, 5391496), (20, 4043622), (22, 3676020), (24, 3369685), (30, 2695748), (33, 2450680), (40, 2021811), (44, 1838010), (55, 1470408), (60, 1347874), (66, 1225340), (88, 919005), (110, 735204), (120, 673937), (132, 612670), (165, 490136), (197, 410520), (220, 367602), (264, 306335), (311, 260040), (330, 245068), (394, 205260), (440, 183801), (591, 136840), (622, 130020), (660, 122534), (788, 102630), (933, 86680), (985, 82104), (1182, 68420), (1244, 65010), (1320, 61267), (1555, 52008), (1576, 51315), (1866, 43340), (1970, 41052), (2167, 37320), (2364, 34210), (2488, 32505), (2955, 27368), (3110, 26004), (3421, 23640), (3732, 21670), (3940, 20526), (4334, 18660), (4665, 17336), (4728, 17105), (5910, 13684), (6220, 13002), (6501, 12440), (6842, 11820), (7464, 10835), (7880, 10263), (8668, 9330)]