64844955

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:370

約数の個数: 80

約数和(自身を含む): 134861760

約数和(自身を除く): 70016805

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 89, 105, 135, 189, 257, 267, 315, 405, 445, 567, 623, 771, 801, 945, 1285, 1335, 1799, 1869, 2313, 2403, 2835, 3115, 3855, 4005, 5397, 5607, 6939, 7209, 8995, 9345, 11565, 12015, 16191, 16821, 20817, 22873, 26985, 28035, 34695, 36045, 48573, 50463, 68619, 80955, 84105, 104085, 114365, 145719, 160111, 205857, 242865, 252315, 343095, 480333, 617571, 728595, 800555, 1029285, 1440999, 1852713, 2401665, 3087855, 4322997, 7204995, 9263565, 12968991, 21614985, 64844955]

約数ペア:

[(1, 64844955), (3, 21614985), (5, 12968991), (7, 9263565), (9, 7204995), (15, 4322997), (21, 3087855), (27, 2401665), (35, 1852713), (45, 1440999), (63, 1029285), (81, 800555), (89, 728595), (105, 617571), (135, 480333), (189, 343095), (257, 252315), (267, 242865), (315, 205857), (405, 160111), (445, 145719), (567, 114365), (623, 104085), (771, 84105), (801, 80955), (945, 68619), (1285, 50463), (1335, 48573), (1799, 36045), (1869, 34695), (2313, 28035), (2403, 26985), (2835, 22873), (3115, 20817), (3855, 16821), (4005, 16191), (5397, 12015), (5607, 11565), (6939, 9345), (7209, 8995)]