72715960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{439}}^1$

素因数の和:592

約数の個数: 64

約数和(自身を含む): 169646400

約数和(自身を除く): 96930440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 101, 164, 202, 205, 328, 404, 410, 439, 505, 808, 820, 878, 1010, 1640, 1756, 2020, 2195, 3512, 4040, 4141, 4390, 8282, 8780, 16564, 17560, 17999, 20705, 33128, 35998, 41410, 44339, 71996, 82820, 88678, 89995, 143992, 165640, 177356, 179990, 221695, 354712, 359980, 443390, 719960, 886780, 1773560, 1817899, 3635798, 7271596, 9089495, 14543192, 18178990, 36357980, 72715960]

約数ペア:

[(1, 72715960), (2, 36357980), (4, 18178990), (5, 14543192), (8, 9089495), (10, 7271596), (20, 3635798), (40, 1817899), (41, 1773560), (82, 886780), (101, 719960), (164, 443390), (202, 359980), (205, 354712), (328, 221695), (404, 179990), (410, 177356), (439, 165640), (505, 143992), (808, 89995), (820, 88678), (878, 82820), (1010, 71996), (1640, 44339), (1756, 41410), (2020, 35998), (2195, 33128), (3512, 20705), (4040, 17999), (4141, 17560), (4390, 16564), (8282, 8780)]