51325740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{911}}^1$

素因数の和:1239

約数の個数: 72

約数和(自身を含む): 156356928

約数和(自身を除く): 105031188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 313, 626, 911, 939, 1252, 1565, 1822, 1878, 2733, 2817, 3130, 3644, 3756, 4555, 4695, 5466, 5634, 6260, 8199, 9110, 9390, 10932, 11268, 13665, 14085, 16398, 18220, 18780, 27330, 28170, 32796, 40995, 54660, 56340, 81990, 163980, 285143, 570286, 855429, 1140572, 1425715, 1710858, 2566287, 2851430, 3421716, 4277145, 5132574, 5702860, 8554290, 10265148, 12831435, 17108580, 25662870, 51325740]

約数ペア:

[(1, 51325740), (2, 25662870), (3, 17108580), (4, 12831435), (5, 10265148), (6, 8554290), (9, 5702860), (10, 5132574), (12, 4277145), (15, 3421716), (18, 2851430), (20, 2566287), (30, 1710858), (36, 1425715), (45, 1140572), (60, 855429), (90, 570286), (180, 285143), (313, 163980), (626, 81990), (911, 56340), (939, 54660), (1252, 40995), (1565, 32796), (1822, 28170), (1878, 27330), (2733, 18780), (2817, 18220), (3130, 16398), (3644, 14085), (3756, 13665), (4555, 11268), (4695, 10932), (5466, 9390), (5634, 9110), (6260, 8199)]