180118840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{2711}}^1$

素因数の和:2884

約数の個数: 64

約数和(自身を含む): 445201920

約数和(自身を除く): 265083080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 151, 220, 302, 440, 604, 755, 1208, 1510, 1661, 2711, 3020, 3322, 5422, 6040, 6644, 8305, 10844, 13288, 13555, 16610, 21688, 27110, 29821, 33220, 54220, 59642, 66440, 108440, 119284, 149105, 238568, 298210, 409361, 596420, 818722, 1192840, 1637444, 2046805, 3274888, 4093610, 4502971, 8187220, 9005942, 16374440, 18011884, 22514855, 36023768, 45029710, 90059420, 180118840]

約数ペア:

[(1, 180118840), (2, 90059420), (4, 45029710), (5, 36023768), (8, 22514855), (10, 18011884), (11, 16374440), (20, 9005942), (22, 8187220), (40, 4502971), (44, 4093610), (55, 3274888), (88, 2046805), (110, 1637444), (151, 1192840), (220, 818722), (302, 596420), (440, 409361), (604, 298210), (755, 238568), (1208, 149105), (1510, 119284), (1661, 108440), (2711, 66440), (3020, 59642), (3322, 54220), (5422, 33220), (6040, 29821), (6644, 27110), (8305, 21688), (10844, 16610), (13288, 13555)]