1278237072

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{223781}}^1$

素因数の和:223816

約数の個数: 80

約数和(自身を含む): 3995851392

約数和(自身を除く): 2717614320

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 34, 42, 48, 51, 56, 68, 84, 102, 112, 119, 136, 168, 204, 238, 272, 336, 357, 408, 476, 714, 816, 952, 1428, 1904, 2856, 5712, 223781, 447562, 671343, 895124, 1342686, 1566467, 1790248, 2685372, 3132934, 3580496, 3804277, 4699401, 5370744, 6265868, 7608554, 9398802, 10741488, 11412831, 12531736, 15217108, 18797604, 22825662, 25063472, 26629939, 30434216, 37595208, 45651324, 53259878, 60868432, 75190416, 79889817, 91302648, 106519756, 159779634, 182605296, 213039512, 319559268, 426079024, 639118536, 1278237072]

約数ペア:

[(1, 1278237072), (2, 639118536), (3, 426079024), (4, 319559268), (6, 213039512), (7, 182605296), (8, 159779634), (12, 106519756), (14, 91302648), (16, 79889817), (17, 75190416), (21, 60868432), (24, 53259878), (28, 45651324), (34, 37595208), (42, 30434216), (48, 26629939), (51, 25063472), (56, 22825662), (68, 18797604), (84, 15217108), (102, 12531736), (112, 11412831), (119, 10741488), (136, 9398802), (168, 7608554), (204, 6265868), (238, 5370744), (272, 4699401), (336, 3804277), (357, 3580496), (408, 3132934), (476, 2685372), (714, 1790248), (816, 1566467), (952, 1342686), (1428, 895124), (1904, 671343), (2856, 447562), (5712, 223781)]