278857920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{26407}}^1$

素因数の和:26438

約数の個数: 112

約数和(自身を含む): 965899008

約数和(自身を除く): 687041088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 440, 480, 528, 660, 704, 880, 960, 1056, 1320, 1760, 2112, 2640, 3520, 5280, 10560, 26407, 52814, 79221, 105628, 132035, 158442, 211256, 264070, 290477, 316884, 396105, 422512, 528140, 580954, 633768, 792210, 845024, 871431, 1056280, 1161908, 1267536, 1452385, 1584420, 1690048, 1742862, 2112560, 2323816, 2535072, 2904770, 3168840, 3485724, 4225120, 4357155, 4647632, 5070144, 5809540, 6337680, 6971448, 8450240, 8714310, 9295264, 11619080, 12675360, 13942896, 17428620, 18590528, 23238160, 25350720, 27885792, 34857240, 46476320, 55771584, 69714480, 92952640, 139428960, 278857920]

約数ペア:

[(1, 278857920), (2, 139428960), (3, 92952640), (4, 69714480), (5, 55771584), (6, 46476320), (8, 34857240), (10, 27885792), (11, 25350720), (12, 23238160), (15, 18590528), (16, 17428620), (20, 13942896), (22, 12675360), (24, 11619080), (30, 9295264), (32, 8714310), (33, 8450240), (40, 6971448), (44, 6337680), (48, 5809540), (55, 5070144), (60, 4647632), (64, 4357155), (66, 4225120), (80, 3485724), (88, 3168840), (96, 2904770), (110, 2535072), (120, 2323816), (132, 2112560), (160, 1742862), (165, 1690048), (176, 1584420), (192, 1452385), (220, 1267536), (240, 1161908), (264, 1056280), (320, 871431), (330, 845024), (352, 792210), (440, 633768), (480, 580954), (528, 528140), (660, 422512), (704, 396105), (880, 316884), (960, 290477), (1056, 264070), (1320, 211256), (1760, 158442), (2112, 132035), (2640, 105628), (3520, 79221), (5280, 52814), (10560, 26407)]