29812720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{383}}^1$

素因数の和:542

約数の個数: 80

約数和(自身を含む): 79994880

約数和(自身を除く): 50182160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 383, 556, 560, 695, 766, 973, 1112, 1390, 1532, 1915, 1946, 2224, 2681, 2780, 3064, 3830, 3892, 4865, 5362, 5560, 6128, 7660, 7784, 9730, 10724, 11120, 13405, 15320, 15568, 19460, 21448, 26810, 30640, 38920, 42896, 53237, 53620, 77840, 106474, 107240, 212948, 214480, 266185, 372659, 425896, 532370, 745318, 851792, 1064740, 1490636, 1863295, 2129480, 2981272, 3726590, 4258960, 5962544, 7453180, 14906360, 29812720]

約数ペア:

[(1, 29812720), (2, 14906360), (4, 7453180), (5, 5962544), (7, 4258960), (8, 3726590), (10, 2981272), (14, 2129480), (16, 1863295), (20, 1490636), (28, 1064740), (35, 851792), (40, 745318), (56, 532370), (70, 425896), (80, 372659), (112, 266185), (139, 214480), (140, 212948), (278, 107240), (280, 106474), (383, 77840), (556, 53620), (560, 53237), (695, 42896), (766, 38920), (973, 30640), (1112, 26810), (1390, 21448), (1532, 19460), (1915, 15568), (1946, 15320), (2224, 13405), (2681, 11120), (2780, 10724), (3064, 9730), (3830, 7784), (3892, 7660), (4865, 6128), (5362, 5560)]