38813220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{563}}^1$

素因数の和:961

約数の個数: 72

約数和(自身を含む): 118250496

約数和(自身を除く): 79437276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 383, 563, 766, 1126, 1149, 1532, 1689, 1915, 2252, 2298, 2815, 3378, 3447, 3830, 4596, 5067, 5630, 5745, 6756, 6894, 7660, 8445, 10134, 11260, 11490, 13788, 16890, 17235, 20268, 22980, 25335, 33780, 34470, 50670, 68940, 101340, 215629, 431258, 646887, 862516, 1078145, 1293774, 1940661, 2156290, 2587548, 3234435, 3881322, 4312580, 6468870, 7762644, 9703305, 12937740, 19406610, 38813220]

約数ペア:

[(1, 38813220), (2, 19406610), (3, 12937740), (4, 9703305), (5, 7762644), (6, 6468870), (9, 4312580), (10, 3881322), (12, 3234435), (15, 2587548), (18, 2156290), (20, 1940661), (30, 1293774), (36, 1078145), (45, 862516), (60, 646887), (90, 431258), (180, 215629), (383, 101340), (563, 68940), (766, 50670), (1126, 34470), (1149, 33780), (1532, 25335), (1689, 22980), (1915, 20268), (2252, 17235), (2298, 16890), (2815, 13788), (3378, 11490), (3447, 11260), (3830, 10134), (4596, 8445), (5067, 7660), (5630, 6894), (5745, 6756)]