1278432840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{109831}}^1$

素因数の和:109942

約数の個数: 64

約数和(自身を含む): 3874872960

約数和(自身を除く): 2596440120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1940, 2328, 2910, 3880, 5820, 11640, 109831, 219662, 329493, 439324, 549155, 658986, 878648, 1098310, 1317972, 1647465, 2196620, 2635944, 3294930, 4393240, 6589860, 10653607, 13179720, 21307214, 31960821, 42614428, 53268035, 63921642, 85228856, 106536070, 127843284, 159804105, 213072140, 255686568, 319608210, 426144280, 639216420, 1278432840]

約数ペア:

[(1, 1278432840), (2, 639216420), (3, 426144280), (4, 319608210), (5, 255686568), (6, 213072140), (8, 159804105), (10, 127843284), (12, 106536070), (15, 85228856), (20, 63921642), (24, 53268035), (30, 42614428), (40, 31960821), (60, 21307214), (97, 13179720), (120, 10653607), (194, 6589860), (291, 4393240), (388, 3294930), (485, 2635944), (582, 2196620), (776, 1647465), (970, 1317972), (1164, 1098310), (1455, 878648), (1940, 658986), (2328, 549155), (2910, 439324), (3880, 329493), (5820, 219662), (11640, 109831)]