81048420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2333}}^1$

素因数の和:2541

約数の個数: 72

約数和(自身を含む): 247226616

約数和(自身を除く): 166178196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 193, 386, 579, 772, 965, 1158, 1737, 1930, 2316, 2333, 2895, 3474, 3860, 4666, 5790, 6948, 6999, 8685, 9332, 11580, 11665, 13998, 17370, 20997, 23330, 27996, 34740, 34995, 41994, 46660, 69990, 83988, 104985, 139980, 209970, 419940, 450269, 900538, 1350807, 1801076, 2251345, 2701614, 4052421, 4502690, 5403228, 6754035, 8104842, 9005380, 13508070, 16209684, 20262105, 27016140, 40524210, 81048420]

約数ペア:

[(1, 81048420), (2, 40524210), (3, 27016140), (4, 20262105), (5, 16209684), (6, 13508070), (9, 9005380), (10, 8104842), (12, 6754035), (15, 5403228), (18, 4502690), (20, 4052421), (30, 2701614), (36, 2251345), (45, 1801076), (60, 1350807), (90, 900538), (180, 450269), (193, 419940), (386, 209970), (579, 139980), (772, 104985), (965, 83988), (1158, 69990), (1737, 46660), (1930, 41994), (2316, 34995), (2333, 34740), (2895, 27996), (3474, 23330), (3860, 20997), (4666, 17370), (5790, 13998), (6948, 11665), (6999, 11580), (8685, 9332)]