1311481680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{39313}}^1$

素因数の和:39468

約数の個数: 80

約数和(自身を含む): 4094946240

約数和(自身を除く): 2783464560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 139, 240, 278, 417, 556, 695, 834, 1112, 1390, 1668, 2085, 2224, 2780, 3336, 4170, 5560, 6672, 8340, 11120, 16680, 33360, 39313, 78626, 117939, 157252, 196565, 235878, 314504, 393130, 471756, 589695, 629008, 786260, 943512, 1179390, 1572520, 1887024, 2358780, 3145040, 4717560, 5464507, 9435120, 10929014, 16393521, 21858028, 27322535, 32787042, 43716056, 54645070, 65574084, 81967605, 87432112, 109290140, 131148168, 163935210, 218580280, 262296336, 327870420, 437160560, 655740840, 1311481680]

約数ペア:

[(1, 1311481680), (2, 655740840), (3, 437160560), (4, 327870420), (5, 262296336), (6, 218580280), (8, 163935210), (10, 131148168), (12, 109290140), (15, 87432112), (16, 81967605), (20, 65574084), (24, 54645070), (30, 43716056), (40, 32787042), (48, 27322535), (60, 21858028), (80, 16393521), (120, 10929014), (139, 9435120), (240, 5464507), (278, 4717560), (417, 3145040), (556, 2358780), (695, 1887024), (834, 1572520), (1112, 1179390), (1390, 943512), (1668, 786260), (2085, 629008), (2224, 589695), (2780, 471756), (3336, 393130), (4170, 314504), (5560, 235878), (6672, 196565), (8340, 157252), (11120, 117939), (16680, 78626), (33360, 39313)]