64788780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{22037}}^1$

素因数の和:22063

約数の個数: 72

約数和(自身を含む): 211035888

約数和(自身を除く): 146247108

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 22037, 44074, 66111, 88148, 110185, 132222, 154259, 220370, 264444, 308518, 330555, 440740, 462777, 617036, 661110, 771295, 925554, 1079813, 1322220, 1542590, 1851108, 2159626, 2313885, 3085180, 3239439, 4319252, 4627770, 5399065, 6478878, 9255540, 10798130, 12957756, 16197195, 21596260, 32394390, 64788780]

約数ペア:

[(1, 64788780), (2, 32394390), (3, 21596260), (4, 16197195), (5, 12957756), (6, 10798130), (7, 9255540), (10, 6478878), (12, 5399065), (14, 4627770), (15, 4319252), (20, 3239439), (21, 3085180), (28, 2313885), (30, 2159626), (35, 1851108), (42, 1542590), (49, 1322220), (60, 1079813), (70, 925554), (84, 771295), (98, 661110), (105, 617036), (140, 462777), (147, 440740), (196, 330555), (210, 308518), (245, 264444), (294, 220370), (420, 154259), (490, 132222), (588, 110185), (735, 88148), (980, 66111), (1470, 44074), (2940, 22037)]