20220840

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{79}}^2$

素因数の和:181

約数の個数: 120

約数和(自身を含む): 68835690

約数和(自身を除く): 48614850

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 79, 81, 90, 108, 120, 135, 158, 162, 180, 216, 237, 270, 316, 324, 360, 395, 405, 474, 540, 632, 648, 711, 790, 810, 948, 1080, 1185, 1422, 1580, 1620, 1896, 2133, 2370, 2844, 3160, 3240, 3555, 4266, 4740, 5688, 6241, 6399, 7110, 8532, 9480, 10665, 12482, 12798, 14220, 17064, 18723, 21330, 24964, 25596, 28440, 31205, 31995, 37446, 42660, 49928, 51192, 56169, 62410, 63990, 74892, 85320, 93615, 112338, 124820, 127980, 149784, 168507, 187230, 224676, 249640, 255960, 280845, 337014, 374460, 449352, 505521, 561690, 674028, 748920, 842535, 1011042, 1123380, 1348056, 1685070, 2022084, 2246760, 2527605, 3370140, 4044168, 5055210, 6740280, 10110420, 20220840]

約数ペア:

[(1, 20220840), (2, 10110420), (3, 6740280), (4, 5055210), (5, 4044168), (6, 3370140), (8, 2527605), (9, 2246760), (10, 2022084), (12, 1685070), (15, 1348056), (18, 1123380), (20, 1011042), (24, 842535), (27, 748920), (30, 674028), (36, 561690), (40, 505521), (45, 449352), (54, 374460), (60, 337014), (72, 280845), (79, 255960), (81, 249640), (90, 224676), (108, 187230), (120, 168507), (135, 149784), (158, 127980), (162, 124820), (180, 112338), (216, 93615), (237, 85320), (270, 74892), (316, 63990), (324, 62410), (360, 56169), (395, 51192), (405, 49928), (474, 42660), (540, 37446), (632, 31995), (648, 31205), (711, 28440), (790, 25596), (810, 24964), (948, 21330), (1080, 18723), (1185, 17064), (1422, 14220), (1580, 12798), (1620, 12482), (1896, 10665), (2133, 9480), (2370, 8532), (2844, 7110), (3160, 6399), (3240, 6241), (3555, 5688), (4266, 4740)]