138528180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{109943}}^1$

素因数の和:109965

約数の個数: 72

約数和(自身を含む): 480235392

約数和(自身を除く): 341707212

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, 109943, 219886, 329829, 439772, 549715, 659658, 769601, 989487, 1099430, 1319316, 1539202, 1649145, 1978974, 2198860, 2308803, 3078404, 3298290, 3848005, 3957948, 4617606, 4947435, 6596580, 6926409, 7696010, 9235212, 9894870, 11544015, 13852818, 15392020, 19789740, 23088030, 27705636, 34632045, 46176060, 69264090, 138528180]

約数ペア:

[(1, 138528180), (2, 69264090), (3, 46176060), (4, 34632045), (5, 27705636), (6, 23088030), (7, 19789740), (9, 15392020), (10, 13852818), (12, 11544015), (14, 9894870), (15, 9235212), (18, 7696010), (20, 6926409), (21, 6596580), (28, 4947435), (30, 4617606), (35, 3957948), (36, 3848005), (42, 3298290), (45, 3078404), (60, 2308803), (63, 2198860), (70, 1978974), (84, 1649145), (90, 1539202), (105, 1319316), (126, 1099430), (140, 989487), (180, 769601), (210, 659658), (252, 549715), (315, 439772), (420, 329829), (630, 219886), (1260, 109943)]