640113048

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{286789}}^1$

素因数の和:286832

約数の個数: 48

約数和(自身を含む): 1789569600

約数和(自身を除く): 1149456552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 286789, 573578, 860367, 1147156, 1720734, 2294312, 2581101, 3441468, 5162202, 6882936, 8890459, 10324404, 17780918, 20648808, 26671377, 35561836, 53342754, 71123672, 80014131, 106685508, 160028262, 213371016, 320056524, 640113048]

約数ペア:

[(1, 640113048), (2, 320056524), (3, 213371016), (4, 160028262), (6, 106685508), (8, 80014131), (9, 71123672), (12, 53342754), (18, 35561836), (24, 26671377), (31, 20648808), (36, 17780918), (62, 10324404), (72, 8890459), (93, 6882936), (124, 5162202), (186, 3441468), (248, 2581101), (279, 2294312), (372, 1720734), (558, 1147156), (744, 860367), (1116, 573578), (2232, 286789)]