61504020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{761}}^1$

素因数の和:1225

約数の個数: 72

約数和(自身を含む): 187223400

約数和(自身を除く): 125719380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 449, 761, 898, 1347, 1522, 1796, 2245, 2283, 2694, 3044, 3805, 4041, 4490, 4566, 5388, 6735, 6849, 7610, 8082, 8980, 9132, 11415, 13470, 13698, 15220, 16164, 20205, 22830, 26940, 27396, 34245, 40410, 45660, 68490, 80820, 136980, 341689, 683378, 1025067, 1366756, 1708445, 2050134, 3075201, 3416890, 4100268, 5125335, 6150402, 6833780, 10250670, 12300804, 15376005, 20501340, 30752010, 61504020]

約数ペア:

[(1, 61504020), (2, 30752010), (3, 20501340), (4, 15376005), (5, 12300804), (6, 10250670), (9, 6833780), (10, 6150402), (12, 5125335), (15, 4100268), (18, 3416890), (20, 3075201), (30, 2050134), (36, 1708445), (45, 1366756), (60, 1025067), (90, 683378), (180, 341689), (449, 136980), (761, 80820), (898, 68490), (1347, 45660), (1522, 40410), (1796, 34245), (2245, 27396), (2283, 26940), (2694, 22830), (3044, 20205), (3805, 16164), (4041, 15220), (4490, 13698), (4566, 13470), (5388, 11415), (6735, 9132), (6849, 8980), (7610, 8082)]