30540420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{443}}^1$

素因数の和:841

約数の個数: 72

約数和(自身を含む): 93090816

約数和(自身を除く): 62550396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 383, 443, 766, 886, 1149, 1329, 1532, 1772, 1915, 2215, 2298, 2658, 3447, 3830, 3987, 4430, 4596, 5316, 5745, 6645, 6894, 7660, 7974, 8860, 11490, 13290, 13788, 15948, 17235, 19935, 22980, 26580, 34470, 39870, 68940, 79740, 169669, 339338, 509007, 678676, 848345, 1018014, 1527021, 1696690, 2036028, 2545035, 3054042, 3393380, 5090070, 6108084, 7635105, 10180140, 15270210, 30540420]

約数ペア:

[(1, 30540420), (2, 15270210), (3, 10180140), (4, 7635105), (5, 6108084), (6, 5090070), (9, 3393380), (10, 3054042), (12, 2545035), (15, 2036028), (18, 1696690), (20, 1527021), (30, 1018014), (36, 848345), (45, 678676), (60, 509007), (90, 339338), (180, 169669), (383, 79740), (443, 68940), (766, 39870), (886, 34470), (1149, 26580), (1329, 22980), (1532, 19935), (1772, 17235), (1915, 15948), (2215, 13788), (2298, 13290), (2658, 11490), (3447, 8860), (3830, 7974), (3987, 7660), (4430, 6894), (4596, 6645), (5316, 5745)]