1680213900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{1579}}^1\times {\mathrm{3547}}^1$

素因数の和:5143

約数の個数: 72

約数和(自身を含む): 4865869120

約数和(自身を除く): 3185655220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 1579, 3158, 3547, 4737, 6316, 7094, 7895, 9474, 10641, 14188, 15790, 17735, 18948, 21282, 23685, 31580, 35470, 39475, 42564, 47370, 53205, 70940, 78950, 88675, 94740, 106410, 118425, 157900, 177350, 212820, 236850, 266025, 354700, 473700, 532050, 1064100, 5600713, 11201426, 16802139, 22402852, 28003565, 33604278, 56007130, 67208556, 84010695, 112014260, 140017825, 168021390, 280035650, 336042780, 420053475, 560071300, 840106950, 1680213900]

約数ペア:

[(1, 1680213900), (2, 840106950), (3, 560071300), (4, 420053475), (5, 336042780), (6, 280035650), (10, 168021390), (12, 140017825), (15, 112014260), (20, 84010695), (25, 67208556), (30, 56007130), (50, 33604278), (60, 28003565), (75, 22402852), (100, 16802139), (150, 11201426), (300, 5600713), (1579, 1064100), (3158, 532050), (3547, 473700), (4737, 354700), (6316, 266025), (7094, 236850), (7895, 212820), (9474, 177350), (10641, 157900), (14188, 118425), (15790, 106410), (17735, 94740), (18948, 88675), (21282, 78950), (23685, 70940), (31580, 53205), (35470, 47370), (39475, 42564)]