86771940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{20369}}^1$

素因数の和:20452

約数の個数: 48

約数和(自身を含む): 246395520

約数和(自身を除く): 159623580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 20369, 40738, 61107, 81476, 101845, 122214, 203690, 244428, 305535, 407380, 611070, 1222140, 1446199, 2892398, 4338597, 5784796, 7230995, 8677194, 14461990, 17354388, 21692985, 28923980, 43385970, 86771940]

約数ペア:

[(1, 86771940), (2, 43385970), (3, 28923980), (4, 21692985), (5, 17354388), (6, 14461990), (10, 8677194), (12, 7230995), (15, 5784796), (20, 4338597), (30, 2892398), (60, 1446199), (71, 1222140), (142, 611070), (213, 407380), (284, 305535), (355, 244428), (426, 203690), (710, 122214), (852, 101845), (1065, 81476), (1420, 61107), (2130, 40738), (4260, 20369)]