78156372

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2179}}^1$

素因数の和:2261

約数の個数: 72

約数和(自身を含む): 215715360

約数和(自身を除く): 137558988

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 61, 84, 98, 122, 147, 183, 196, 244, 294, 366, 427, 588, 732, 854, 1281, 1708, 2179, 2562, 2989, 4358, 5124, 5978, 6537, 8716, 8967, 11956, 13074, 15253, 17934, 26148, 30506, 35868, 45759, 61012, 91518, 106771, 132919, 183036, 213542, 265838, 320313, 398757, 427084, 531676, 640626, 797514, 930433, 1281252, 1595028, 1860866, 2791299, 3721732, 5582598, 6513031, 11165196, 13026062, 19539093, 26052124, 39078186, 78156372]

約数ペア:

[(1, 78156372), (2, 39078186), (3, 26052124), (4, 19539093), (6, 13026062), (7, 11165196), (12, 6513031), (14, 5582598), (21, 3721732), (28, 2791299), (42, 1860866), (49, 1595028), (61, 1281252), (84, 930433), (98, 797514), (122, 640626), (147, 531676), (183, 427084), (196, 398757), (244, 320313), (294, 265838), (366, 213542), (427, 183036), (588, 132919), (732, 106771), (854, 91518), (1281, 61012), (1708, 45759), (2179, 35868), (2562, 30506), (2989, 26148), (4358, 17934), (5124, 15253), (5978, 13074), (6537, 11956), (8716, 8967)]