205804980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{19379}}^1$

素因数の和:19453

約数の個数: 72

約数和(自身を含む): 634888800

約数和(自身を除く): 429083820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 2124, 2655, 3540, 5310, 10620, 19379, 38758, 58137, 77516, 96895, 116274, 174411, 193790, 232548, 290685, 348822, 387580, 581370, 697644, 872055, 1143361, 1162740, 1744110, 2286722, 3430083, 3488220, 4573444, 5716805, 6860166, 10290249, 11433610, 13720332, 17150415, 20580498, 22867220, 34300830, 41160996, 51451245, 68601660, 102902490, 205804980]

約数ペア:

[(1, 205804980), (2, 102902490), (3, 68601660), (4, 51451245), (5, 41160996), (6, 34300830), (9, 22867220), (10, 20580498), (12, 17150415), (15, 13720332), (18, 11433610), (20, 10290249), (30, 6860166), (36, 5716805), (45, 4573444), (59, 3488220), (60, 3430083), (90, 2286722), (118, 1744110), (177, 1162740), (180, 1143361), (236, 872055), (295, 697644), (354, 581370), (531, 387580), (590, 348822), (708, 290685), (885, 232548), (1062, 193790), (1180, 174411), (1770, 116274), (2124, 96895), (2655, 77516), (3540, 58137), (5310, 38758), (10620, 19379)]