30989868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 93461760

約数和(自身を除く): 62471892

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 37, 39, 42, 52, 59, 74, 78, 84, 91, 111, 118, 148, 156, 169, 177, 182, 222, 236, 259, 273, 338, 354, 364, 413, 444, 481, 507, 518, 546, 676, 708, 767, 777, 826, 962, 1014, 1036, 1092, 1183, 1239, 1443, 1534, 1554, 1652, 1924, 2028, 2183, 2301, 2366, 2478, 2886, 3068, 3108, 3367, 3549, 4366, 4602, 4732, 4956, 5369, 5772, 6253, 6549, 6734, 7098, 8732, 9204, 9971, 10101, 10738, 12506, 13098, 13468, 14196, 15281, 16107, 18759, 19942, 20202, 21476, 25012, 26196, 28379, 29913, 30562, 32214, 37518, 39884, 40404, 43771, 45843, 56758, 59826, 61124, 64428, 69797, 75036, 85137, 87542, 91686, 113516, 119652, 131313, 139594, 170274, 175084, 183372, 198653, 209391, 262626, 279188, 340548, 368927, 397306, 418782, 525252, 595959, 737854, 794612, 837564, 1106781, 1191918, 1475708, 2213562, 2383836, 2582489, 4427124, 5164978, 7747467, 10329956, 15494934, 30989868]

約数ペア:

[(1, 30989868), (2, 15494934), (3, 10329956), (4, 7747467), (6, 5164978), (7, 4427124), (12, 2582489), (13, 2383836), (14, 2213562), (21, 1475708), (26, 1191918), (28, 1106781), (37, 837564), (39, 794612), (42, 737854), (52, 595959), (59, 525252), (74, 418782), (78, 397306), (84, 368927), (91, 340548), (111, 279188), (118, 262626), (148, 209391), (156, 198653), (169, 183372), (177, 175084), (182, 170274), (222, 139594), (236, 131313), (259, 119652), (273, 113516), (338, 91686), (354, 87542), (364, 85137), (413, 75036), (444, 69797), (481, 64428), (507, 61124), (518, 59826), (546, 56758), (676, 45843), (708, 43771), (767, 40404), (777, 39884), (826, 37518), (962, 32214), (1014, 30562), (1036, 29913), (1092, 28379), (1183, 26196), (1239, 25012), (1443, 21476), (1534, 20202), (1554, 19942), (1652, 18759), (1924, 16107), (2028, 15281), (2183, 14196), (2301, 13468), (2366, 13098), (2478, 12506), (2886, 10738), (3068, 10101), (3108, 9971), (3367, 9204), (3549, 8732), (4366, 7098), (4602, 6734), (4732, 6549), (4956, 6253), (5369, 5772)]