18234540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:192

約数の個数: 144

約数和(自身を含む): 60147360

約数和(自身を除く): 41912820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 59, 60, 68, 85, 90, 101, 102, 118, 153, 170, 177, 180, 202, 204, 236, 255, 295, 303, 306, 340, 354, 404, 505, 510, 531, 590, 606, 612, 708, 765, 885, 909, 1003, 1010, 1020, 1062, 1180, 1212, 1515, 1530, 1717, 1770, 1818, 2006, 2020, 2124, 2655, 3009, 3030, 3060, 3434, 3540, 3636, 4012, 4545, 5015, 5151, 5310, 5959, 6018, 6060, 6868, 8585, 9027, 9090, 10030, 10302, 10620, 11918, 12036, 15045, 15453, 17170, 17877, 18054, 18180, 20060, 20604, 23836, 25755, 29795, 30090, 30906, 34340, 35754, 36108, 45135, 51510, 53631, 59590, 60180, 61812, 71508, 77265, 89385, 90270, 101303, 103020, 107262, 119180, 154530, 178770, 180540, 202606, 214524, 268155, 303909, 309060, 357540, 405212, 506515, 536310, 607818, 911727, 1013030, 1072620, 1215636, 1519545, 1823454, 2026060, 3039090, 3646908, 4558635, 6078180, 9117270, 18234540]

約数ペア:

[(1, 18234540), (2, 9117270), (3, 6078180), (4, 4558635), (5, 3646908), (6, 3039090), (9, 2026060), (10, 1823454), (12, 1519545), (15, 1215636), (17, 1072620), (18, 1013030), (20, 911727), (30, 607818), (34, 536310), (36, 506515), (45, 405212), (51, 357540), (59, 309060), (60, 303909), (68, 268155), (85, 214524), (90, 202606), (101, 180540), (102, 178770), (118, 154530), (153, 119180), (170, 107262), (177, 103020), (180, 101303), (202, 90270), (204, 89385), (236, 77265), (255, 71508), (295, 61812), (303, 60180), (306, 59590), (340, 53631), (354, 51510), (404, 45135), (505, 36108), (510, 35754), (531, 34340), (590, 30906), (606, 30090), (612, 29795), (708, 25755), (765, 23836), (885, 20604), (909, 20060), (1003, 18180), (1010, 18054), (1020, 17877), (1062, 17170), (1180, 15453), (1212, 15045), (1515, 12036), (1530, 11918), (1717, 10620), (1770, 10302), (1818, 10030), (2006, 9090), (2020, 9027), (2124, 8585), (2655, 6868), (3009, 6060), (3030, 6018), (3060, 5959), (3434, 5310), (3540, 5151), (3636, 5015), (4012, 4545)]