1268913420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{99289}}^1$

素因数の和:99375

約数の個数: 72

約数和(自身を含む): 3903288480

約数和(自身を除く): 2634375060

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, 12780, 99289, 198578, 297867, 397156, 496445, 595734, 893601, 992890, 1191468, 1489335, 1787202, 1985780, 2978670, 3574404, 4468005, 5957340, 7049519, 8936010, 14099038, 17872020, 21148557, 28198076, 35247595, 42297114, 63445671, 70495190, 84594228, 105742785, 126891342, 140990380, 211485570, 253782684, 317228355, 422971140, 634456710, 1268913420]

約数ペア:

[(1, 1268913420), (2, 634456710), (3, 422971140), (4, 317228355), (5, 253782684), (6, 211485570), (9, 140990380), (10, 126891342), (12, 105742785), (15, 84594228), (18, 70495190), (20, 63445671), (30, 42297114), (36, 35247595), (45, 28198076), (60, 21148557), (71, 17872020), (90, 14099038), (142, 8936010), (180, 7049519), (213, 5957340), (284, 4468005), (355, 3574404), (426, 2978670), (639, 1985780), (710, 1787202), (852, 1489335), (1065, 1191468), (1278, 992890), (1420, 893601), (2130, 595734), (2556, 496445), (3195, 397156), (4260, 297867), (6390, 198578), (12780, 99289)]