455943280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{7187}}^1$

素因数の和:7274

約数の個数: 80

約数和(自身を含む): 1160488224

約数和(自身を除く): 704544944

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 208, 244, 260, 305, 488, 520, 610, 793, 976, 1040, 1220, 1586, 2440, 3172, 3965, 4880, 6344, 7187, 7930, 12688, 14374, 15860, 28748, 31720, 35935, 57496, 63440, 71870, 93431, 114992, 143740, 186862, 287480, 373724, 438407, 467155, 574960, 747448, 876814, 934310, 1494896, 1753628, 1868620, 2192035, 3507256, 3737240, 4384070, 5699291, 7014512, 7474480, 8768140, 11398582, 17536280, 22797164, 28496455, 35072560, 45594328, 56992910, 91188656, 113985820, 227971640, 455943280]

約数ペア:

[(1, 455943280), (2, 227971640), (4, 113985820), (5, 91188656), (8, 56992910), (10, 45594328), (13, 35072560), (16, 28496455), (20, 22797164), (26, 17536280), (40, 11398582), (52, 8768140), (61, 7474480), (65, 7014512), (80, 5699291), (104, 4384070), (122, 3737240), (130, 3507256), (208, 2192035), (244, 1868620), (260, 1753628), (305, 1494896), (488, 934310), (520, 876814), (610, 747448), (793, 574960), (976, 467155), (1040, 438407), (1220, 373724), (1586, 287480), (2440, 186862), (3172, 143740), (3965, 114992), (4880, 93431), (6344, 71870), (7187, 63440), (7930, 57496), (12688, 35935), (14374, 31720), (15860, 28748)]