131263380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10271}}^1$

素因数の和:10357

約数の個数: 72

約数和(自身を含む): 403812864

約数和(自身を除く): 272549484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 10271, 12780, 20542, 30813, 41084, 51355, 61626, 92439, 102710, 123252, 154065, 184878, 205420, 308130, 369756, 462195, 616260, 729241, 924390, 1458482, 1848780, 2187723, 2916964, 3646205, 4375446, 6563169, 7292410, 8750892, 10938615, 13126338, 14584820, 21877230, 26252676, 32815845, 43754460, 65631690, 131263380]

約数ペア:

[(1, 131263380), (2, 65631690), (3, 43754460), (4, 32815845), (5, 26252676), (6, 21877230), (9, 14584820), (10, 13126338), (12, 10938615), (15, 8750892), (18, 7292410), (20, 6563169), (30, 4375446), (36, 3646205), (45, 2916964), (60, 2187723), (71, 1848780), (90, 1458482), (142, 924390), (180, 729241), (213, 616260), (284, 462195), (355, 369756), (426, 308130), (639, 205420), (710, 184878), (852, 154065), (1065, 123252), (1278, 102710), (1420, 92439), (2130, 61626), (2556, 51355), (3195, 41084), (4260, 30813), (6390, 20542), (10271, 12780)]