178705260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{52253}}^1$

素因数の和:52287

約数の個数: 72

約数和(自身を含む): 570613680

約数和(自身を除く): 391908420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 52253, 104506, 156759, 209012, 261265, 313518, 470277, 522530, 627036, 783795, 940554, 992807, 1045060, 1567590, 1881108, 1985614, 2351385, 2978421, 3135180, 3971228, 4702770, 4964035, 5956842, 8935263, 9405540, 9928070, 11913684, 14892105, 17870526, 19856140, 29784210, 35741052, 44676315, 59568420, 89352630, 178705260]

約数ペア:

[(1, 178705260), (2, 89352630), (3, 59568420), (4, 44676315), (5, 35741052), (6, 29784210), (9, 19856140), (10, 17870526), (12, 14892105), (15, 11913684), (18, 9928070), (19, 9405540), (20, 8935263), (30, 5956842), (36, 4964035), (38, 4702770), (45, 3971228), (57, 3135180), (60, 2978421), (76, 2351385), (90, 1985614), (95, 1881108), (114, 1567590), (171, 1045060), (180, 992807), (190, 940554), (228, 783795), (285, 627036), (342, 522530), (380, 470277), (570, 313518), (684, 261265), (855, 209012), (1140, 156759), (1710, 104506), (3420, 52253)]