172457880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{205307}}^1$

素因数の和:205328

約数の個数: 64

約数和(自身を含む): 591287040

約数和(自身を除く): 418829160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 205307, 410614, 615921, 821228, 1026535, 1231842, 1437149, 1642456, 2053070, 2463684, 2874298, 3079605, 4106140, 4311447, 4927368, 5748596, 6159210, 7185745, 8212280, 8622894, 11497192, 12318420, 14371490, 17245788, 21557235, 24636840, 28742980, 34491576, 43114470, 57485960, 86228940, 172457880]

約数ペア:

[(1, 172457880), (2, 86228940), (3, 57485960), (4, 43114470), (5, 34491576), (6, 28742980), (7, 24636840), (8, 21557235), (10, 17245788), (12, 14371490), (14, 12318420), (15, 11497192), (20, 8622894), (21, 8212280), (24, 7185745), (28, 6159210), (30, 5748596), (35, 4927368), (40, 4311447), (42, 4106140), (56, 3079605), (60, 2874298), (70, 2463684), (84, 2053070), (105, 1642456), (120, 1437149), (140, 1231842), (168, 1026535), (210, 821228), (280, 615921), (420, 410614), (840, 205307)]