61684020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1303}}^1$

素因数の和:1581

約数の個数: 72

約数和(自身を含む): 187963776

約数和(自身を除く): 126279756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 263, 526, 789, 1052, 1303, 1315, 1578, 2367, 2606, 2630, 3156, 3909, 3945, 4734, 5212, 5260, 6515, 7818, 7890, 9468, 11727, 11835, 13030, 15636, 15780, 19545, 23454, 23670, 26060, 39090, 46908, 47340, 58635, 78180, 117270, 234540, 342689, 685378, 1028067, 1370756, 1713445, 2056134, 3084201, 3426890, 4112268, 5140335, 6168402, 6853780, 10280670, 12336804, 15421005, 20561340, 30842010, 61684020]

約数ペア:

[(1, 61684020), (2, 30842010), (3, 20561340), (4, 15421005), (5, 12336804), (6, 10280670), (9, 6853780), (10, 6168402), (12, 5140335), (15, 4112268), (18, 3426890), (20, 3084201), (30, 2056134), (36, 1713445), (45, 1370756), (60, 1028067), (90, 685378), (180, 342689), (263, 234540), (526, 117270), (789, 78180), (1052, 58635), (1303, 47340), (1315, 46908), (1578, 39090), (2367, 26060), (2606, 23670), (2630, 23454), (3156, 19545), (3909, 15780), (3945, 15636), (4734, 13030), (5212, 11835), (5260, 11727), (6515, 9468), (7818, 7890)]