16191280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{997}}^1$

素因数の和:1046

約数の個数: 80

約数和(自身を含む): 44550720

約数和(自身を除く): 28359440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 997, 1015, 1160, 1624, 1994, 2030, 2320, 3248, 3988, 4060, 4985, 6979, 7976, 8120, 9970, 13958, 15952, 16240, 19940, 27916, 28913, 34895, 39880, 55832, 57826, 69790, 79760, 111664, 115652, 139580, 144565, 202391, 231304, 279160, 289130, 404782, 462608, 558320, 578260, 809564, 1011955, 1156520, 1619128, 2023910, 2313040, 3238256, 4047820, 8095640, 16191280]

約数ペア:

[(1, 16191280), (2, 8095640), (4, 4047820), (5, 3238256), (7, 2313040), (8, 2023910), (10, 1619128), (14, 1156520), (16, 1011955), (20, 809564), (28, 578260), (29, 558320), (35, 462608), (40, 404782), (56, 289130), (58, 279160), (70, 231304), (80, 202391), (112, 144565), (116, 139580), (140, 115652), (145, 111664), (203, 79760), (232, 69790), (280, 57826), (290, 55832), (406, 39880), (464, 34895), (560, 28913), (580, 27916), (812, 19940), (997, 16240), (1015, 15952), (1160, 13958), (1624, 9970), (1994, 8120), (2030, 7976), (2320, 6979), (3248, 4985), (3988, 4060)]