81873810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{1231}}^1$

素因数の和:1983

約数の個数: 48

約数和(自身を含む): 213333120

約数和(自身を除く): 131459310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 739, 1231, 1478, 2217, 2462, 3693, 3695, 4434, 6155, 6651, 7386, 7390, 11079, 11085, 12310, 13302, 18465, 22158, 22170, 33255, 36930, 55395, 66510, 110790, 909709, 1819418, 2729127, 4548545, 5458254, 8187381, 9097090, 13645635, 16374762, 27291270, 40936905, 81873810]

約数ペア:

[(1, 81873810), (2, 40936905), (3, 27291270), (5, 16374762), (6, 13645635), (9, 9097090), (10, 8187381), (15, 5458254), (18, 4548545), (30, 2729127), (45, 1819418), (90, 909709), (739, 110790), (1231, 66510), (1478, 55395), (2217, 36930), (2462, 33255), (3693, 22170), (3695, 22158), (4434, 18465), (6155, 13302), (6651, 12310), (7386, 11085), (7390, 11079)]