155017940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{9151}}^1$

素因数の和:9189

約数の個数: 72

約数和(自身を含む): 408984576

約数和(自身を除く): 253966636

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 8470, 9151, 16940, 18302, 36604, 45755, 64057, 91510, 100661, 128114, 183020, 201322, 256228, 320285, 402644, 503305, 640570, 704627, 1006610, 1107271, 1281140, 1409254, 2013220, 2214542, 2818508, 3523135, 4429084, 5536355, 7046270, 7750897, 11072710, 14092540, 15501794, 22145420, 31003588, 38754485, 77508970, 155017940]

約数ペア:

[(1, 155017940), (2, 77508970), (4, 38754485), (5, 31003588), (7, 22145420), (10, 15501794), (11, 14092540), (14, 11072710), (20, 7750897), (22, 7046270), (28, 5536355), (35, 4429084), (44, 3523135), (55, 2818508), (70, 2214542), (77, 2013220), (110, 1409254), (121, 1281140), (140, 1107271), (154, 1006610), (220, 704627), (242, 640570), (308, 503305), (385, 402644), (484, 320285), (605, 256228), (770, 201322), (847, 183020), (1210, 128114), (1540, 100661), (1694, 91510), (2420, 64057), (3388, 45755), (4235, 36604), (8470, 18302), (9151, 16940)]