78268890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{372709}}^1$

素因数の和:372726

約数の個数: 32

約数和(自身を含む): 214680960

約数和(自身を除く): 136412070

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 372709, 745418, 1118127, 1863545, 2236254, 2608963, 3727090, 5217926, 5590635, 7826889, 11181270, 13044815, 15653778, 26089630, 39134445, 78268890]

約数ペア:

[(1, 78268890), (2, 39134445), (3, 26089630), (5, 15653778), (6, 13044815), (7, 11181270), (10, 7826889), (14, 5590635), (15, 5217926), (21, 3727090), (30, 2608963), (35, 2236254), (42, 1863545), (70, 1118127), (105, 745418), (210, 372709)]