53121780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{701}}^1$

素因数の和:1137

約数の個数: 72

約数和(自身を含む): 161749224

約数和(自身を除く): 108627444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 421, 701, 842, 1263, 1402, 1684, 2103, 2105, 2526, 2804, 3505, 3789, 4206, 4210, 5052, 6309, 6315, 7010, 7578, 8412, 8420, 10515, 12618, 12630, 14020, 15156, 18945, 21030, 25236, 25260, 31545, 37890, 42060, 63090, 75780, 126180, 295121, 590242, 885363, 1180484, 1475605, 1770726, 2656089, 2951210, 3541452, 4426815, 5312178, 5902420, 8853630, 10624356, 13280445, 17707260, 26560890, 53121780]

約数ペア:

[(1, 53121780), (2, 26560890), (3, 17707260), (4, 13280445), (5, 10624356), (6, 8853630), (9, 5902420), (10, 5312178), (12, 4426815), (15, 3541452), (18, 2951210), (20, 2656089), (30, 1770726), (36, 1475605), (45, 1180484), (60, 885363), (90, 590242), (180, 295121), (421, 126180), (701, 75780), (842, 63090), (1263, 42060), (1402, 37890), (1684, 31545), (2103, 25260), (2105, 25236), (2526, 21030), (2804, 18945), (3505, 15156), (3789, 14020), (4206, 12630), (4210, 12618), (5052, 10515), (6309, 8420), (6315, 8412), (7010, 7578)]