16943920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{383}}^1$

素因数の和:482

約数の個数: 80

約数和(自身を含む): 45711360

約数和(自身を除く): 28767440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 383, 395, 553, 560, 632, 766, 790, 1106, 1264, 1532, 1580, 1915, 2212, 2681, 2765, 3064, 3160, 3830, 4424, 5362, 5530, 6128, 6320, 7660, 8848, 10724, 11060, 13405, 15320, 21448, 22120, 26810, 30257, 30640, 42896, 44240, 53620, 60514, 107240, 121028, 151285, 211799, 214480, 242056, 302570, 423598, 484112, 605140, 847196, 1058995, 1210280, 1694392, 2117990, 2420560, 3388784, 4235980, 8471960, 16943920]

約数ペア:

[(1, 16943920), (2, 8471960), (4, 4235980), (5, 3388784), (7, 2420560), (8, 2117990), (10, 1694392), (14, 1210280), (16, 1058995), (20, 847196), (28, 605140), (35, 484112), (40, 423598), (56, 302570), (70, 242056), (79, 214480), (80, 211799), (112, 151285), (140, 121028), (158, 107240), (280, 60514), (316, 53620), (383, 44240), (395, 42896), (553, 30640), (560, 30257), (632, 26810), (766, 22120), (790, 21448), (1106, 15320), (1264, 13405), (1532, 11060), (1580, 10724), (1915, 8848), (2212, 7660), (2681, 6320), (2765, 6128), (3064, 5530), (3160, 5362), (3830, 4424)]