40881420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{593}}^1$

素因数の和:991

約数の個数: 72

約数和(自身を含む): 124540416

約数和(自身を除く): 83658996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 383, 593, 766, 1149, 1186, 1532, 1779, 1915, 2298, 2372, 2965, 3447, 3558, 3830, 4596, 5337, 5745, 5930, 6894, 7116, 7660, 8895, 10674, 11490, 11860, 13788, 17235, 17790, 21348, 22980, 26685, 34470, 35580, 53370, 68940, 106740, 227119, 454238, 681357, 908476, 1135595, 1362714, 2044071, 2271190, 2725428, 3406785, 4088142, 4542380, 6813570, 8176284, 10220355, 13627140, 20440710, 40881420]

約数ペア:

[(1, 40881420), (2, 20440710), (3, 13627140), (4, 10220355), (5, 8176284), (6, 6813570), (9, 4542380), (10, 4088142), (12, 3406785), (15, 2725428), (18, 2271190), (20, 2044071), (30, 1362714), (36, 1135595), (45, 908476), (60, 681357), (90, 454238), (180, 227119), (383, 106740), (593, 68940), (766, 53370), (1149, 35580), (1186, 34470), (1532, 26685), (1779, 22980), (1915, 21348), (2298, 17790), (2372, 17235), (2965, 13788), (3447, 11860), (3558, 11490), (3830, 10674), (4596, 8895), (5337, 7660), (5745, 7116), (5930, 6894)]