2783113380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{217771}}^1$

素因数の和:217857

約数の個数: 72

約数和(自身を含む): 8561052864

約数和(自身を除く): 5777939484

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, 217771, 435542, 653313, 871084, 1088855, 1306626, 1959939, 2177710, 2613252, 3266565, 3919878, 4355420, 6533130, 7839756, 9799695, 13066260, 15461741, 19599390, 30923482, 39198780, 46385223, 61846964, 77308705, 92770446, 139155669, 154617410, 185540892, 231926115, 278311338, 309234820, 463852230, 556622676, 695778345, 927704460, 1391556690, 2783113380]

約数ペア:

[(1, 2783113380), (2, 1391556690), (3, 927704460), (4, 695778345), (5, 556622676), (6, 463852230), (9, 309234820), (10, 278311338), (12, 231926115), (15, 185540892), (18, 154617410), (20, 139155669), (30, 92770446), (36, 77308705), (45, 61846964), (60, 46385223), (71, 39198780), (90, 30923482), (142, 19599390), (180, 15461741), (213, 13066260), (284, 9799695), (355, 7839756), (426, 6533130), (639, 4355420), (710, 3919878), (852, 3266565), (1065, 2613252), (1278, 2177710), (1420, 1959939), (2130, 1306626), (2556, 1088855), (3195, 871084), (4260, 653313), (6390, 435542), (12780, 217771)]