81731700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{30271}}^1$

素因数の和:30294

約数の個数: 72

約数和(自身を含む): 262760960

約数和(自身を除く): 181029260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 225, 270, 300, 450, 540, 675, 900, 1350, 2700, 30271, 60542, 90813, 121084, 151355, 181626, 272439, 302710, 363252, 454065, 544878, 605420, 756775, 817317, 908130, 1089756, 1362195, 1513550, 1634634, 1816260, 2270325, 2724390, 3027100, 3269268, 4086585, 4540650, 5448780, 6810975, 8173170, 9081300, 13621950, 16346340, 20432925, 27243900, 40865850, 81731700]

約数ペア:

[(1, 81731700), (2, 40865850), (3, 27243900), (4, 20432925), (5, 16346340), (6, 13621950), (9, 9081300), (10, 8173170), (12, 6810975), (15, 5448780), (18, 4540650), (20, 4086585), (25, 3269268), (27, 3027100), (30, 2724390), (36, 2270325), (45, 1816260), (50, 1634634), (54, 1513550), (60, 1362195), (75, 1089756), (90, 908130), (100, 817317), (108, 756775), (135, 605420), (150, 544878), (180, 454065), (225, 363252), (270, 302710), (300, 272439), (450, 181626), (540, 151355), (675, 121084), (900, 90813), (1350, 60542), (2700, 30271)]