212338260

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{43691}}^1$

素因数の和:43715

約数の個数: 72

約数和(自身を含む): 667963296

約数和(自身を除く): 455625036

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 43691, 87382, 131073, 174764, 218455, 262146, 393219, 436910, 524292, 655365, 786438, 873820, 1179657, 1310730, 1572876, 1966095, 2359314, 2621460, 3538971, 3932190, 4718628, 5898285, 7077942, 7864380, 10616913, 11796570, 14155884, 17694855, 21233826, 23593140, 35389710, 42467652, 53084565, 70779420, 106169130, 212338260]

約数ペア:

[(1, 212338260), (2, 106169130), (3, 70779420), (4, 53084565), (5, 42467652), (6, 35389710), (9, 23593140), (10, 21233826), (12, 17694855), (15, 14155884), (18, 11796570), (20, 10616913), (27, 7864380), (30, 7077942), (36, 5898285), (45, 4718628), (54, 3932190), (60, 3538971), (81, 2621460), (90, 2359314), (108, 1966095), (135, 1572876), (162, 1310730), (180, 1179657), (243, 873820), (270, 786438), (324, 655365), (405, 524292), (486, 436910), (540, 393219), (810, 262146), (972, 218455), (1215, 174764), (1620, 131073), (2430, 87382), (4860, 43691)]