149392880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20521}}^1$

素因数の和:20554

約数の個数: 80

約数和(自身を含む): 427514304

約数和(自身を除く): 278121424

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 20521, 41042, 82084, 102605, 143647, 164168, 205210, 266773, 287294, 328336, 410420, 533546, 574588, 718235, 820840, 1067092, 1149176, 1333865, 1436470, 1641680, 1867411, 2134184, 2298352, 2667730, 2872940, 3734822, 4268368, 5335460, 5745880, 7469644, 9337055, 10670920, 11491760, 14939288, 18674110, 21341840, 29878576, 37348220, 74696440, 149392880]

約数ペア:

[(1, 149392880), (2, 74696440), (4, 37348220), (5, 29878576), (7, 21341840), (8, 18674110), (10, 14939288), (13, 11491760), (14, 10670920), (16, 9337055), (20, 7469644), (26, 5745880), (28, 5335460), (35, 4268368), (40, 3734822), (52, 2872940), (56, 2667730), (65, 2298352), (70, 2134184), (80, 1867411), (91, 1641680), (104, 1436470), (112, 1333865), (130, 1149176), (140, 1067092), (182, 820840), (208, 718235), (260, 574588), (280, 533546), (364, 410420), (455, 328336), (520, 287294), (560, 266773), (728, 205210), (910, 164168), (1040, 143647), (1456, 102605), (1820, 82084), (3640, 41042), (7280, 20521)]