1808797140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2063}}^1\times {\mathrm{4871}}^1$

素因数の和:6949

約数の個数: 72

約数和(自身を含む): 5490471168

約数和(自身を除く): 3681674028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2063, 4126, 4871, 6189, 8252, 9742, 10315, 12378, 14613, 18567, 19484, 20630, 24355, 24756, 29226, 30945, 37134, 41260, 43839, 48710, 58452, 61890, 73065, 74268, 87678, 92835, 97420, 123780, 146130, 175356, 185670, 219195, 292260, 371340, 438390, 876780, 10048873, 20097746, 30146619, 40195492, 50244365, 60293238, 90439857, 100488730, 120586476, 150733095, 180879714, 200977460, 301466190, 361759428, 452199285, 602932380, 904398570, 1808797140]

約数ペア:

[(1, 1808797140), (2, 904398570), (3, 602932380), (4, 452199285), (5, 361759428), (6, 301466190), (9, 200977460), (10, 180879714), (12, 150733095), (15, 120586476), (18, 100488730), (20, 90439857), (30, 60293238), (36, 50244365), (45, 40195492), (60, 30146619), (90, 20097746), (180, 10048873), (2063, 876780), (4126, 438390), (4871, 371340), (6189, 292260), (8252, 219195), (9742, 185670), (10315, 175356), (12378, 146130), (14613, 123780), (18567, 97420), (19484, 92835), (20630, 87678), (24355, 74268), (24756, 73065), (29226, 61890), (30945, 58452), (37134, 48710), (41260, 43839)]