220428180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{174943}}^1$

素因数の和:174965

約数の個数: 72

約数和(自身を含む): 764155392

約数和(自身を除く): 543727212

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 174943, 349886, 524829, 699772, 874715, 1049658, 1224601, 1574487, 1749430, 2099316, 2449202, 2624145, 3148974, 3498860, 3673803, 4898404, 5248290, 6123005, 6297948, 7347606, 7872435, 10496580, 11021409, 12246010, 14695212, 15744870, 18369015, 22042818, 24492020, 31489740, 36738030, 44085636, 55107045, 73476060, 110214090, 220428180]

約数ペア:

[(1, 220428180), (2, 110214090), (3, 73476060), (4, 55107045), (5, 44085636), (6, 36738030), (7, 31489740), (9, 24492020), (10, 22042818), (12, 18369015), (14, 15744870), (15, 14695212), (18, 12246010), (20, 11021409), (21, 10496580), (28, 7872435), (30, 7347606), (35, 6297948), (36, 6123005), (42, 5248290), (45, 4898404), (60, 3673803), (63, 3498860), (70, 3148974), (84, 2624145), (90, 2449202), (105, 2099316), (126, 1749430), (140, 1574487), (180, 1224601), (210, 1049658), (252, 874715), (315, 699772), (420, 524829), (630, 349886), (1260, 174943)]