128068740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37447}}^1$

素因数の和:37481

約数の個数: 72

約数和(自身を含む): 408932160

約数和(自身を除く): 280863420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 37447, 74894, 112341, 149788, 187235, 224682, 337023, 374470, 449364, 561705, 674046, 711493, 748940, 1123410, 1348092, 1422986, 1685115, 2134479, 2246820, 2845972, 3370230, 3557465, 4268958, 6403437, 6740460, 7114930, 8537916, 10672395, 12806874, 14229860, 21344790, 25613748, 32017185, 42689580, 64034370, 128068740]

約数ペア:

[(1, 128068740), (2, 64034370), (3, 42689580), (4, 32017185), (5, 25613748), (6, 21344790), (9, 14229860), (10, 12806874), (12, 10672395), (15, 8537916), (18, 7114930), (19, 6740460), (20, 6403437), (30, 4268958), (36, 3557465), (38, 3370230), (45, 2845972), (57, 2246820), (60, 2134479), (76, 1685115), (90, 1422986), (95, 1348092), (114, 1123410), (171, 748940), (180, 711493), (190, 674046), (228, 561705), (285, 449364), (342, 374470), (380, 337023), (570, 224682), (684, 187235), (855, 149788), (1140, 112341), (1710, 74894), (3420, 37447)]