246079980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2113}}^1$

素因数の和:2775

約数の個数: 72

約数和(自身を含む): 747950112

約数和(自身を除く): 501870132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 647, 1294, 1941, 2113, 2588, 3235, 3882, 4226, 5823, 6339, 6470, 7764, 8452, 9705, 10565, 11646, 12678, 12940, 19017, 19410, 21130, 23292, 25356, 29115, 31695, 38034, 38820, 42260, 58230, 63390, 76068, 95085, 116460, 126780, 190170, 380340, 1367111, 2734222, 4101333, 5468444, 6835555, 8202666, 12303999, 13671110, 16405332, 20506665, 24607998, 27342220, 41013330, 49215996, 61519995, 82026660, 123039990, 246079980]

約数ペア:

[(1, 246079980), (2, 123039990), (3, 82026660), (4, 61519995), (5, 49215996), (6, 41013330), (9, 27342220), (10, 24607998), (12, 20506665), (15, 16405332), (18, 13671110), (20, 12303999), (30, 8202666), (36, 6835555), (45, 5468444), (60, 4101333), (90, 2734222), (180, 1367111), (647, 380340), (1294, 190170), (1941, 126780), (2113, 116460), (2588, 95085), (3235, 76068), (3882, 63390), (4226, 58230), (5823, 42260), (6339, 38820), (6470, 38034), (7764, 31695), (8452, 29115), (9705, 25356), (10565, 23292), (11646, 21130), (12678, 19410), (12940, 19017)]