72405281260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1607}}^1\times {\mathrm{173293}}^1$

素因数の和:174922

約数の個数: 48

約数和(自身を含む): 163850170176

約数和(自身を除く): 91444888916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1607, 3214, 6428, 8035, 16070, 20891, 32140, 41782, 83564, 104455, 173293, 208910, 346586, 417820, 693172, 866465, 1732930, 2252809, 3465860, 4505618, 9011236, 11264045, 22528090, 45056180, 278481851, 556963702, 1113927404, 1392409255, 2784818510, 3620264063, 5569637020, 7240528126, 14481056252, 18101320315, 36202640630, 72405281260]

約数ペア:

[(1, 72405281260), (2, 36202640630), (4, 18101320315), (5, 14481056252), (10, 7240528126), (13, 5569637020), (20, 3620264063), (26, 2784818510), (52, 1392409255), (65, 1113927404), (130, 556963702), (260, 278481851), (1607, 45056180), (3214, 22528090), (6428, 11264045), (8035, 9011236), (16070, 4505618), (20891, 3465860), (32140, 2252809), (41782, 1732930), (83564, 866465), (104455, 693172), (173293, 417820), (208910, 346586)]