16702980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{39769}}^1$

素因数の和:39788

約数の個数: 48

約数和(自身を含む): 53450880

約数和(自身を除く): 36747900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 39769, 79538, 119307, 159076, 198845, 238614, 278383, 397690, 477228, 556766, 596535, 795380, 835149, 1113532, 1193070, 1391915, 1670298, 2386140, 2783830, 3340596, 4175745, 5567660, 8351490, 16702980]

約数ペア:

[(1, 16702980), (2, 8351490), (3, 5567660), (4, 4175745), (5, 3340596), (6, 2783830), (7, 2386140), (10, 1670298), (12, 1391915), (14, 1193070), (15, 1113532), (20, 835149), (21, 795380), (28, 596535), (30, 556766), (35, 477228), (42, 397690), (60, 278383), (70, 238614), (84, 198845), (105, 159076), (140, 119307), (210, 79538), (420, 39769)]