71582220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2861}}^1$

素因数の和:3015

約数の個数: 72

約数和(自身を含む): 218771280

約数和(自身を除く): 147189060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 2861, 4170, 5004, 5722, 6255, 8340, 8583, 11444, 12510, 14305, 17166, 25020, 25749, 28610, 34332, 42915, 51498, 57220, 85830, 102996, 128745, 171660, 257490, 397679, 514980, 795358, 1193037, 1590716, 1988395, 2386074, 3579111, 3976790, 4772148, 5965185, 7158222, 7953580, 11930370, 14316444, 17895555, 23860740, 35791110, 71582220]

約数ペア:

[(1, 71582220), (2, 35791110), (3, 23860740), (4, 17895555), (5, 14316444), (6, 11930370), (9, 7953580), (10, 7158222), (12, 5965185), (15, 4772148), (18, 3976790), (20, 3579111), (30, 2386074), (36, 1988395), (45, 1590716), (60, 1193037), (90, 795358), (139, 514980), (180, 397679), (278, 257490), (417, 171660), (556, 128745), (695, 102996), (834, 85830), (1251, 57220), (1390, 51498), (1668, 42915), (2085, 34332), (2502, 28610), (2780, 25749), (2861, 25020), (4170, 17166), (5004, 14305), (5722, 12510), (6255, 11444), (8340, 8583)]