180872720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{46141}}^1$

素因数の和:46168

約数の個数: 60

約数和(自身を含む): 489197484

約数和(自身を除く): 308324764

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 46141, 92282, 184564, 230705, 322987, 369128, 461410, 645974, 738256, 922820, 1291948, 1614935, 1845640, 2260909, 2583896, 3229870, 3691280, 4521818, 5167792, 6459740, 9043636, 11304545, 12919480, 18087272, 22609090, 25838960, 36174544, 45218180, 90436360, 180872720]

約数ペア:

[(1, 180872720), (2, 90436360), (4, 45218180), (5, 36174544), (7, 25838960), (8, 22609090), (10, 18087272), (14, 12919480), (16, 11304545), (20, 9043636), (28, 6459740), (35, 5167792), (40, 4521818), (49, 3691280), (56, 3229870), (70, 2583896), (80, 2260909), (98, 1845640), (112, 1614935), (140, 1291948), (196, 922820), (245, 738256), (280, 645974), (392, 461410), (490, 369128), (560, 322987), (784, 230705), (980, 184564), (1960, 92282), (3920, 46141)]