340640720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{6271}}^1$

素因数の和:6388

約数の個数: 80

約数和(自身を含む): 914608128

約数和(自身を除く): 573967408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 97, 112, 140, 194, 280, 388, 485, 560, 679, 776, 970, 1358, 1552, 1940, 2716, 3395, 3880, 5432, 6271, 6790, 7760, 10864, 12542, 13580, 25084, 27160, 31355, 43897, 50168, 54320, 62710, 87794, 100336, 125420, 175588, 219485, 250840, 351176, 438970, 501680, 608287, 702352, 877940, 1216574, 1755880, 2433148, 3041435, 3511760, 4258009, 4866296, 6082870, 8516018, 9732592, 12165740, 17032036, 21290045, 24331480, 34064072, 42580090, 48662960, 68128144, 85160180, 170320360, 340640720]

約数ペア:

[(1, 340640720), (2, 170320360), (4, 85160180), (5, 68128144), (7, 48662960), (8, 42580090), (10, 34064072), (14, 24331480), (16, 21290045), (20, 17032036), (28, 12165740), (35, 9732592), (40, 8516018), (56, 6082870), (70, 4866296), (80, 4258009), (97, 3511760), (112, 3041435), (140, 2433148), (194, 1755880), (280, 1216574), (388, 877940), (485, 702352), (560, 608287), (679, 501680), (776, 438970), (970, 351176), (1358, 250840), (1552, 219485), (1940, 175588), (2716, 125420), (3395, 100336), (3880, 87794), (5432, 62710), (6271, 54320), (6790, 50168), (7760, 43897), (10864, 31355), (12542, 27160), (13580, 25084)]