820726128

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{99991}}^1$

素因数の和:100027

約数の個数: 80

約数和(自身を含む): 2479801600

約数和(自身を除く): 1659075472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 108, 114, 144, 152, 171, 216, 228, 304, 342, 432, 456, 513, 684, 912, 1026, 1368, 2052, 2736, 4104, 8208, 99991, 199982, 299973, 399964, 599946, 799928, 899919, 1199892, 1599856, 1799838, 1899829, 2399784, 2699757, 3599676, 3799658, 4799568, 5399514, 5699487, 7199352, 7599316, 10799028, 11398974, 14398704, 15198632, 17098461, 21598056, 22797948, 30397264, 34196922, 43196112, 45595896, 51295383, 68393844, 91191792, 102590766, 136787688, 205181532, 273575376, 410363064, 820726128]

約数ペア:

[(1, 820726128), (2, 410363064), (3, 273575376), (4, 205181532), (6, 136787688), (8, 102590766), (9, 91191792), (12, 68393844), (16, 51295383), (18, 45595896), (19, 43196112), (24, 34196922), (27, 30397264), (36, 22797948), (38, 21598056), (48, 17098461), (54, 15198632), (57, 14398704), (72, 11398974), (76, 10799028), (108, 7599316), (114, 7199352), (144, 5699487), (152, 5399514), (171, 4799568), (216, 3799658), (228, 3599676), (304, 2699757), (342, 2399784), (432, 1899829), (456, 1799838), (513, 1599856), (684, 1199892), (912, 899919), (1026, 799928), (1368, 599946), (2052, 399964), (2736, 299973), (4104, 199982), (8208, 99991)]