15616790

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 34128000

約数和(自身を除く): 18511210

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 49, 58, 70, 98, 145, 157, 203, 245, 290, 314, 343, 406, 490, 686, 785, 1015, 1099, 1421, 1570, 1715, 2030, 2198, 2842, 3430, 4553, 5495, 7105, 7693, 9106, 9947, 10990, 14210, 15386, 19894, 22765, 31871, 38465, 45530, 49735, 53851, 63742, 76930, 99470, 107702, 159355, 223097, 269255, 318710, 446194, 538510, 1115485, 1561679, 2230970, 3123358, 7808395, 15616790]

約数ペア:

[(1, 15616790), (2, 7808395), (5, 3123358), (7, 2230970), (10, 1561679), (14, 1115485), (29, 538510), (35, 446194), (49, 318710), (58, 269255), (70, 223097), (98, 159355), (145, 107702), (157, 99470), (203, 76930), (245, 63742), (290, 53851), (314, 49735), (343, 45530), (406, 38465), (490, 31871), (686, 22765), (785, 19894), (1015, 15386), (1099, 14210), (1421, 10990), (1570, 9947), (1715, 9106), (2030, 7693), (2198, 7105), (2842, 5495), (3430, 4553)]