81003670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{379}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 167443200

約数和(自身を除く): 86439530

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 67, 110, 134, 145, 290, 319, 335, 379, 638, 670, 737, 758, 1474, 1595, 1895, 1943, 3190, 3685, 3790, 3886, 4169, 7370, 8338, 9715, 10991, 19430, 20845, 21373, 21982, 25393, 41690, 42746, 50786, 54955, 106865, 109910, 120901, 126965, 213730, 241802, 253930, 279323, 558646, 604505, 736397, 1209010, 1396615, 1472794, 2793230, 3681985, 7363970, 8100367, 16200734, 40501835, 81003670]

約数ペア:

[(1, 81003670), (2, 40501835), (5, 16200734), (10, 8100367), (11, 7363970), (22, 3681985), (29, 2793230), (55, 1472794), (58, 1396615), (67, 1209010), (110, 736397), (134, 604505), (145, 558646), (290, 279323), (319, 253930), (335, 241802), (379, 213730), (638, 126965), (670, 120901), (737, 109910), (758, 106865), (1474, 54955), (1595, 50786), (1895, 42746), (1943, 41690), (3190, 25393), (3685, 21982), (3790, 21373), (3886, 20845), (4169, 19430), (7370, 10991), (8338, 9715)]