66724580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1039}}^1$

素因数の和:1093

約数の個数: 72

約数和(自身を含む): 159868800

約数和(自身を除く): 93144220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 169, 190, 247, 260, 338, 380, 494, 676, 845, 988, 1039, 1235, 1690, 2078, 2470, 3211, 3380, 4156, 4940, 5195, 6422, 10390, 12844, 13507, 16055, 19741, 20780, 27014, 32110, 39482, 54028, 64220, 67535, 78964, 98705, 135070, 175591, 197410, 256633, 270140, 351182, 394820, 513266, 702364, 877955, 1026532, 1283165, 1755910, 2566330, 3336229, 3511820, 5132660, 6672458, 13344916, 16681145, 33362290, 66724580]

約数ペア:

[(1, 66724580), (2, 33362290), (4, 16681145), (5, 13344916), (10, 6672458), (13, 5132660), (19, 3511820), (20, 3336229), (26, 2566330), (38, 1755910), (52, 1283165), (65, 1026532), (76, 877955), (95, 702364), (130, 513266), (169, 394820), (190, 351182), (247, 270140), (260, 256633), (338, 197410), (380, 175591), (494, 135070), (676, 98705), (845, 78964), (988, 67535), (1039, 64220), (1235, 54028), (1690, 39482), (2078, 32110), (2470, 27014), (3211, 20780), (3380, 19741), (4156, 16055), (4940, 13507), (5195, 12844), (6422, 10390)]