18815445320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{417379}}^1$

素因数の和:417427

約数の個数: 96

約数和(自身を含む): 51387825600

約数和(自身を除く): 32572380280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 49, 56, 70, 92, 98, 115, 140, 161, 184, 196, 230, 245, 280, 322, 392, 460, 490, 644, 805, 920, 980, 1127, 1288, 1610, 1960, 2254, 3220, 4508, 5635, 6440, 9016, 11270, 22540, 45080, 417379, 834758, 1669516, 2086895, 2921653, 3339032, 4173790, 5843306, 8347580, 9599717, 11686612, 14608265, 16695160, 19199434, 20451571, 23373224, 29216530, 38398868, 40903142, 47998585, 58433060, 67198019, 76797736, 81806284, 95997170, 102257855, 116866120, 134396038, 163612568, 191994340, 204515710, 268792076, 335990095, 383988680, 409031420, 470386133, 537584152, 671980190, 818062840, 940772266, 1343960380, 1881544532, 2351930665, 2687920760, 3763089064, 4703861330, 9407722660, 18815445320]

約数ペア:

[(1, 18815445320), (2, 9407722660), (4, 4703861330), (5, 3763089064), (7, 2687920760), (8, 2351930665), (10, 1881544532), (14, 1343960380), (20, 940772266), (23, 818062840), (28, 671980190), (35, 537584152), (40, 470386133), (46, 409031420), (49, 383988680), (56, 335990095), (70, 268792076), (92, 204515710), (98, 191994340), (115, 163612568), (140, 134396038), (161, 116866120), (184, 102257855), (196, 95997170), (230, 81806284), (245, 76797736), (280, 67198019), (322, 58433060), (392, 47998585), (460, 40903142), (490, 38398868), (644, 29216530), (805, 23373224), (920, 20451571), (980, 19199434), (1127, 16695160), (1288, 14608265), (1610, 11686612), (1960, 9599717), (2254, 8347580), (3220, 5843306), (4508, 4173790), (5635, 3339032), (6440, 2921653), (9016, 2086895), (11270, 1669516), (22540, 834758), (45080, 417379)]