72978560

素因数分解:

$2^7\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1129}}^1$

素因数の和:1249

約数の個数: 64

約数和(自身を含む): 176347800

約数和(自身を除く): 103369240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 320, 404, 505, 640, 808, 1010, 1129, 1616, 2020, 2258, 3232, 4040, 4516, 5645, 6464, 8080, 9032, 11290, 12928, 16160, 18064, 22580, 32320, 36128, 45160, 64640, 72256, 90320, 114029, 144512, 180640, 228058, 361280, 456116, 570145, 722560, 912232, 1140290, 1824464, 2280580, 3648928, 4561160, 7297856, 9122320, 14595712, 18244640, 36489280, 72978560]

約数ペア:

[(1, 72978560), (2, 36489280), (4, 18244640), (5, 14595712), (8, 9122320), (10, 7297856), (16, 4561160), (20, 3648928), (32, 2280580), (40, 1824464), (64, 1140290), (80, 912232), (101, 722560), (128, 570145), (160, 456116), (202, 361280), (320, 228058), (404, 180640), (505, 144512), (640, 114029), (808, 90320), (1010, 72256), (1129, 64640), (1616, 45160), (2020, 36128), (2258, 32320), (3232, 22580), (4040, 18064), (4516, 16160), (5645, 12928), (6464, 11290), (8080, 9032)]