138976640

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1039}}^1$

素因数の和:1088

約数の個数: 128

約数和(自身を含む): 381888000

約数和(自身を除く): 242911360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 128, 152, 160, 176, 190, 209, 220, 304, 320, 352, 380, 418, 440, 608, 640, 704, 760, 836, 880, 1039, 1045, 1216, 1408, 1520, 1672, 1760, 2078, 2090, 2432, 3040, 3344, 3520, 4156, 4180, 5195, 6080, 6688, 7040, 8312, 8360, 10390, 11429, 12160, 13376, 16624, 16720, 19741, 20780, 22858, 26752, 33248, 33440, 39482, 41560, 45716, 57145, 66496, 66880, 78964, 83120, 91432, 98705, 114290, 132992, 133760, 157928, 166240, 182864, 197410, 217151, 228580, 315856, 332480, 365728, 394820, 434302, 457160, 631712, 664960, 731456, 789640, 868604, 914320, 1085755, 1263424, 1462912, 1579280, 1737208, 1828640, 2171510, 2526848, 3158560, 3474416, 3657280, 4343020, 6317120, 6948832, 7314560, 8686040, 12634240, 13897664, 17372080, 27795328, 34744160, 69488320, 138976640]

約数ペア:

[(1, 138976640), (2, 69488320), (4, 34744160), (5, 27795328), (8, 17372080), (10, 13897664), (11, 12634240), (16, 8686040), (19, 7314560), (20, 6948832), (22, 6317120), (32, 4343020), (38, 3657280), (40, 3474416), (44, 3158560), (55, 2526848), (64, 2171510), (76, 1828640), (80, 1737208), (88, 1579280), (95, 1462912), (110, 1263424), (128, 1085755), (152, 914320), (160, 868604), (176, 789640), (190, 731456), (209, 664960), (220, 631712), (304, 457160), (320, 434302), (352, 394820), (380, 365728), (418, 332480), (440, 315856), (608, 228580), (640, 217151), (704, 197410), (760, 182864), (836, 166240), (880, 157928), (1039, 133760), (1045, 132992), (1216, 114290), (1408, 98705), (1520, 91432), (1672, 83120), (1760, 78964), (2078, 66880), (2090, 66496), (2432, 57145), (3040, 45716), (3344, 41560), (3520, 39482), (4156, 33440), (4180, 33248), (5195, 26752), (6080, 22858), (6688, 20780), (7040, 19741), (8312, 16720), (8360, 16624), (10390, 13376), (11429, 12160)]