2017680280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{1459}}^1$

素因数の和:1937

約数の個数: 128

約数和(自身を含む): 5676480000

約数和(自身を除く): 3658799720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 449, 616, 770, 898, 1459, 1540, 1796, 2245, 2918, 3080, 3143, 3592, 4490, 4939, 5836, 6286, 7295, 8980, 9878, 10213, 11672, 12572, 14590, 15715, 16049, 17960, 19756, 20426, 24695, 25144, 29180, 31430, 32098, 34573, 39512, 40852, 49390, 51065, 58360, 62860, 64196, 69146, 80245, 81704, 98780, 102130, 112343, 125720, 128392, 138292, 160490, 172865, 197560, 204260, 224686, 276584, 320980, 345730, 408520, 449372, 561715, 641960, 655091, 691460, 898744, 1123430, 1310182, 1382920, 2246860, 2620364, 3275455, 4493720, 4585637, 5240728, 6550910, 7206001, 9171274, 13101820, 14412002, 18342548, 22928185, 26203640, 28824004, 36030005, 36685096, 45856370, 50442007, 57648008, 72060010, 91712740, 100884014, 144120020, 183425480, 201768028, 252210035, 288240040, 403536056, 504420070, 1008840140, 2017680280]

約数ペア:

[(1, 2017680280), (2, 1008840140), (4, 504420070), (5, 403536056), (7, 288240040), (8, 252210035), (10, 201768028), (11, 183425480), (14, 144120020), (20, 100884014), (22, 91712740), (28, 72060010), (35, 57648008), (40, 50442007), (44, 45856370), (55, 36685096), (56, 36030005), (70, 28824004), (77, 26203640), (88, 22928185), (110, 18342548), (140, 14412002), (154, 13101820), (220, 9171274), (280, 7206001), (308, 6550910), (385, 5240728), (440, 4585637), (449, 4493720), (616, 3275455), (770, 2620364), (898, 2246860), (1459, 1382920), (1540, 1310182), (1796, 1123430), (2245, 898744), (2918, 691460), (3080, 655091), (3143, 641960), (3592, 561715), (4490, 449372), (4939, 408520), (5836, 345730), (6286, 320980), (7295, 276584), (8980, 224686), (9878, 204260), (10213, 197560), (11672, 172865), (12572, 160490), (14590, 138292), (15715, 128392), (16049, 125720), (17960, 112343), (19756, 102130), (20426, 98780), (24695, 81704), (25144, 80245), (29180, 69146), (31430, 64196), (32098, 62860), (34573, 58360), (39512, 51065), (40852, 49390)]