197066640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1277}}^1$

素因数の和:1936

約数の個数: 80

約数和(自身を含む): 612335808

約数和(自身を除く): 415269168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 643, 1277, 1286, 1929, 2554, 2572, 3215, 3831, 3858, 5108, 5144, 6385, 6430, 7662, 7716, 9645, 10216, 10288, 12770, 12860, 15324, 15432, 19155, 19290, 20432, 25540, 25720, 30648, 30864, 38310, 38580, 51080, 51440, 61296, 76620, 77160, 102160, 153240, 154320, 306480, 821111, 1642222, 2463333, 3284444, 4105555, 4926666, 6568888, 8211110, 9853332, 12316665, 13137776, 16422220, 19706664, 24633330, 32844440, 39413328, 49266660, 65688880, 98533320, 197066640]

約数ペア:

[(1, 197066640), (2, 98533320), (3, 65688880), (4, 49266660), (5, 39413328), (6, 32844440), (8, 24633330), (10, 19706664), (12, 16422220), (15, 13137776), (16, 12316665), (20, 9853332), (24, 8211110), (30, 6568888), (40, 4926666), (48, 4105555), (60, 3284444), (80, 2463333), (120, 1642222), (240, 821111), (643, 306480), (1277, 154320), (1286, 153240), (1929, 102160), (2554, 77160), (2572, 76620), (3215, 61296), (3831, 51440), (3858, 51080), (5108, 38580), (5144, 38310), (6385, 30864), (6430, 30648), (7662, 25720), (7716, 25540), (9645, 20432), (10216, 19290), (10288, 19155), (12770, 15432), (12860, 15324)]