85428180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{24979}}^1$

素因数の和:25013

約数の個数: 72

約数和(自身を含む): 272781600

約数和(自身を除く): 187353420

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, 24979, 49958, 74937, 99916, 124895, 149874, 224811, 249790, 299748, 374685, 449622, 474601, 499580, 749370, 899244, 949202, 1124055, 1423803, 1498740, 1898404, 2248110, 2373005, 2847606, 4271409, 4496220, 4746010, 5695212, 7119015, 8542818, 9492020, 14238030, 17085636, 21357045, 28476060, 42714090, 85428180]

約数ペア:

[(1, 85428180), (2, 42714090), (3, 28476060), (4, 21357045), (5, 17085636), (6, 14238030), (9, 9492020), (10, 8542818), (12, 7119015), (15, 5695212), (18, 4746010), (19, 4496220), (20, 4271409), (30, 2847606), (36, 2373005), (38, 2248110), (45, 1898404), (57, 1498740), (60, 1423803), (76, 1124055), (90, 949202), (95, 899244), (114, 749370), (171, 499580), (180, 474601), (190, 449622), (228, 374685), (285, 299748), (342, 249790), (380, 224811), (570, 149874), (684, 124895), (855, 99916), (1140, 74937), (1710, 49958), (3420, 24979)]