80410140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4423}}^1$

素因数の和:4539

約数の個数: 72

約数和(自身を含む): 246381408

約数和(自身を除く): 165971268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1212, 1515, 1818, 2020, 3030, 3636, 4423, 4545, 6060, 8846, 9090, 13269, 17692, 18180, 22115, 26538, 39807, 44230, 53076, 66345, 79614, 88460, 132690, 159228, 199035, 265380, 398070, 446723, 796140, 893446, 1340169, 1786892, 2233615, 2680338, 4020507, 4467230, 5360676, 6700845, 8041014, 8934460, 13401690, 16082028, 20102535, 26803380, 40205070, 80410140]

約数ペア:

[(1, 80410140), (2, 40205070), (3, 26803380), (4, 20102535), (5, 16082028), (6, 13401690), (9, 8934460), (10, 8041014), (12, 6700845), (15, 5360676), (18, 4467230), (20, 4020507), (30, 2680338), (36, 2233615), (45, 1786892), (60, 1340169), (90, 893446), (101, 796140), (180, 446723), (202, 398070), (303, 265380), (404, 199035), (505, 159228), (606, 132690), (909, 88460), (1010, 79614), (1212, 66345), (1515, 53076), (1818, 44230), (2020, 39807), (3030, 26538), (3636, 22115), (4423, 18180), (4545, 17692), (6060, 13269), (8846, 9090)]