290538180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{19447}}^1$

素因数の和:19545

約数の個数: 72

約数和(自身を含む): 891963072

約数和(自身を除く): 601424892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1494, 1660, 2490, 2988, 3735, 4980, 7470, 14940, 19447, 38894, 58341, 77788, 97235, 116682, 175023, 194470, 233364, 291705, 350046, 388940, 583410, 700092, 875115, 1166820, 1614101, 1750230, 3228202, 3500460, 4842303, 6456404, 8070505, 9684606, 14526909, 16141010, 19369212, 24211515, 29053818, 32282020, 48423030, 58107636, 72634545, 96846060, 145269090, 290538180]

約数ペア:

[(1, 290538180), (2, 145269090), (3, 96846060), (4, 72634545), (5, 58107636), (6, 48423030), (9, 32282020), (10, 29053818), (12, 24211515), (15, 19369212), (18, 16141010), (20, 14526909), (30, 9684606), (36, 8070505), (45, 6456404), (60, 4842303), (83, 3500460), (90, 3228202), (166, 1750230), (180, 1614101), (249, 1166820), (332, 875115), (415, 700092), (498, 583410), (747, 388940), (830, 350046), (996, 291705), (1245, 233364), (1494, 194470), (1660, 175023), (2490, 116682), (2988, 97235), (3735, 77788), (4980, 58341), (7470, 38894), (14940, 19447)]