29988640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1549}}^1$

素因数の和:1586

約数の個数: 72

約数和(自身を含む): 77924700

約数和(自身を除く): 47936060

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1549, 1760, 1936, 2420, 3098, 3872, 4840, 6196, 7745, 9680, 12392, 15490, 17039, 19360, 24784, 30980, 34078, 49568, 61960, 68156, 85195, 123920, 136312, 170390, 187429, 247840, 272624, 340780, 374858, 545248, 681560, 749716, 937145, 1363120, 1499432, 1874290, 2726240, 2998864, 3748580, 5997728, 7497160, 14994320, 29988640]

約数ペア:

[(1, 29988640), (2, 14994320), (4, 7497160), (5, 5997728), (8, 3748580), (10, 2998864), (11, 2726240), (16, 1874290), (20, 1499432), (22, 1363120), (32, 937145), (40, 749716), (44, 681560), (55, 545248), (80, 374858), (88, 340780), (110, 272624), (121, 247840), (160, 187429), (176, 170390), (220, 136312), (242, 123920), (352, 85195), (440, 68156), (484, 61960), (605, 49568), (880, 34078), (968, 30980), (1210, 24784), (1549, 19360), (1760, 17039), (1936, 15490), (2420, 12392), (3098, 9680), (3872, 7745), (4840, 6196)]