30106720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{26881}}^1$

素因数の和:26903

約数の個数: 48

約数和(自身を含む): 81291168

約数和(自身を除く): 51184448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 26881, 53762, 107524, 134405, 188167, 215048, 268810, 376334, 430096, 537620, 752668, 860192, 940835, 1075240, 1505336, 1881670, 2150480, 3010672, 3763340, 4300960, 6021344, 7526680, 15053360, 30106720]

約数ペア:

[(1, 30106720), (2, 15053360), (4, 7526680), (5, 6021344), (7, 4300960), (8, 3763340), (10, 3010672), (14, 2150480), (16, 1881670), (20, 1505336), (28, 1075240), (32, 940835), (35, 860192), (40, 752668), (56, 537620), (70, 430096), (80, 376334), (112, 268810), (140, 215048), (160, 188167), (224, 134405), (280, 107524), (560, 53762), (1120, 26881)]