30551120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:268

約数の個数: 80

約数和(自身を含む): 74661888

約数和(自身を除く): 44110768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 97, 124, 127, 155, 194, 248, 254, 310, 388, 485, 496, 508, 620, 635, 776, 970, 1016, 1240, 1270, 1552, 1940, 2032, 2480, 2540, 3007, 3880, 3937, 5080, 6014, 7760, 7874, 10160, 12028, 12319, 15035, 15748, 19685, 24056, 24638, 30070, 31496, 39370, 48112, 49276, 60140, 61595, 62992, 78740, 98552, 120280, 123190, 157480, 197104, 240560, 246380, 314960, 381889, 492760, 763778, 985520, 1527556, 1909445, 3055112, 3818890, 6110224, 7637780, 15275560, 30551120]

約数ペア:

[(1, 30551120), (2, 15275560), (4, 7637780), (5, 6110224), (8, 3818890), (10, 3055112), (16, 1909445), (20, 1527556), (31, 985520), (40, 763778), (62, 492760), (80, 381889), (97, 314960), (124, 246380), (127, 240560), (155, 197104), (194, 157480), (248, 123190), (254, 120280), (310, 98552), (388, 78740), (485, 62992), (496, 61595), (508, 60140), (620, 49276), (635, 48112), (776, 39370), (970, 31496), (1016, 30070), (1240, 24638), (1270, 24056), (1552, 19685), (1940, 15748), (2032, 15035), (2480, 12319), (2540, 12028), (3007, 10160), (3880, 7874), (3937, 7760), (5080, 6014)]