80423910

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{127657}}^1$

素因数の和:127677

約数の個数: 48

約数和(自身を含む): 238975776

約数和(自身を除く): 158551866

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 127657, 255314, 382971, 638285, 765942, 893599, 1148913, 1276570, 1787198, 1914855, 2297826, 2680797, 3829710, 4467995, 5361594, 5744565, 8042391, 8935990, 11489130, 13403985, 16084782, 26807970, 40211955, 80423910]

約数ペア:

[(1, 80423910), (2, 40211955), (3, 26807970), (5, 16084782), (6, 13403985), (7, 11489130), (9, 8935990), (10, 8042391), (14, 5744565), (15, 5361594), (18, 4467995), (21, 3829710), (30, 2680797), (35, 2297826), (42, 1914855), (45, 1787198), (63, 1276570), (70, 1148913), (90, 893599), (105, 765942), (126, 638285), (210, 382971), (315, 255314), (630, 127657)]