78902520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{673}}^1\times {\mathrm{977}}^1$

素因数の和:1664

約数の個数: 64

約数和(自身を含む): 237301920

約数和(自身を除く): 158399400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 673, 977, 1346, 1954, 2019, 2692, 2931, 3365, 3908, 4038, 4885, 5384, 5862, 6730, 7816, 8076, 9770, 10095, 11724, 13460, 14655, 16152, 19540, 20190, 23448, 26920, 29310, 39080, 40380, 58620, 80760, 117240, 657521, 1315042, 1972563, 2630084, 3287605, 3945126, 5260168, 6575210, 7890252, 9862815, 13150420, 15780504, 19725630, 26300840, 39451260, 78902520]

約数ペア:

[(1, 78902520), (2, 39451260), (3, 26300840), (4, 19725630), (5, 15780504), (6, 13150420), (8, 9862815), (10, 7890252), (12, 6575210), (15, 5260168), (20, 3945126), (24, 3287605), (30, 2630084), (40, 1972563), (60, 1315042), (120, 657521), (673, 117240), (977, 80760), (1346, 58620), (1954, 40380), (2019, 39080), (2692, 29310), (2931, 26920), (3365, 23448), (3908, 20190), (4038, 19540), (4885, 16152), (5384, 14655), (5862, 13460), (6730, 11724), (7816, 10095), (8076, 9770)]