64788390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{239957}}^1$

素因数の和:239973

約数の個数: 32

約数和(自身を含む): 172769760

約数和(自身を除く): 107981370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 239957, 479914, 719871, 1199785, 1439742, 2159613, 2399570, 3599355, 4319226, 6478839, 7198710, 10798065, 12957678, 21596130, 32394195, 64788390]

約数ペア:

[(1, 64788390), (2, 32394195), (3, 21596130), (5, 12957678), (6, 10798065), (9, 7198710), (10, 6478839), (15, 4319226), (18, 3599355), (27, 2399570), (30, 2159613), (45, 1439742), (54, 1199785), (90, 719871), (135, 479914), (270, 239957)]