819017920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2879}}^1$

素因数の和:3030

約数の個数: 112

約数和(自身を含む): 2247229440

約数和(自身を除く): 1428211520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 127, 140, 160, 224, 254, 280, 320, 448, 508, 560, 635, 889, 1016, 1120, 1270, 1778, 2032, 2240, 2540, 2879, 3556, 4064, 4445, 5080, 5758, 7112, 8128, 8890, 10160, 11516, 14224, 14395, 17780, 20153, 20320, 23032, 28448, 28790, 35560, 40306, 40640, 46064, 56896, 57580, 71120, 80612, 92128, 100765, 115160, 142240, 161224, 184256, 201530, 230320, 284480, 322448, 365633, 403060, 460640, 644896, 731266, 806120, 921280, 1289792, 1462532, 1612240, 1828165, 2559431, 2925064, 3224480, 3656330, 5118862, 5850128, 6448960, 7312660, 10237724, 11700256, 12797155, 14625320, 20475448, 23400512, 25594310, 29250640, 40950896, 51188620, 58501280, 81901792, 102377240, 117002560, 163803584, 204754480, 409508960, 819017920]

約数ペア:

[(1, 819017920), (2, 409508960), (4, 204754480), (5, 163803584), (7, 117002560), (8, 102377240), (10, 81901792), (14, 58501280), (16, 51188620), (20, 40950896), (28, 29250640), (32, 25594310), (35, 23400512), (40, 20475448), (56, 14625320), (64, 12797155), (70, 11700256), (80, 10237724), (112, 7312660), (127, 6448960), (140, 5850128), (160, 5118862), (224, 3656330), (254, 3224480), (280, 2925064), (320, 2559431), (448, 1828165), (508, 1612240), (560, 1462532), (635, 1289792), (889, 921280), (1016, 806120), (1120, 731266), (1270, 644896), (1778, 460640), (2032, 403060), (2240, 365633), (2540, 322448), (2879, 284480), (3556, 230320), (4064, 201530), (4445, 184256), (5080, 161224), (5758, 142240), (7112, 115160), (8128, 100765), (8890, 92128), (10160, 80612), (11516, 71120), (14224, 57580), (14395, 56896), (17780, 46064), (20153, 40640), (20320, 40306), (23032, 35560), (28448, 28790)]