256272432

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{9551}}^1$

素因数の和:9618

約数の個数: 80

約数和(自身を含む): 729619968

約数和(自身を除く): 473347536

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 43, 48, 52, 78, 86, 104, 129, 156, 172, 208, 258, 312, 344, 516, 559, 624, 688, 1032, 1118, 1677, 2064, 2236, 3354, 4472, 6708, 8944, 9551, 13416, 19102, 26832, 28653, 38204, 57306, 76408, 114612, 124163, 152816, 229224, 248326, 372489, 410693, 458448, 496652, 744978, 821386, 993304, 1232079, 1489956, 1642772, 1986608, 2464158, 2979912, 3285544, 4928316, 5339009, 5959824, 6571088, 9856632, 10678018, 16017027, 19713264, 21356036, 32034054, 42712072, 64068108, 85424144, 128136216, 256272432]

約数ペア:

[(1, 256272432), (2, 128136216), (3, 85424144), (4, 64068108), (6, 42712072), (8, 32034054), (12, 21356036), (13, 19713264), (16, 16017027), (24, 10678018), (26, 9856632), (39, 6571088), (43, 5959824), (48, 5339009), (52, 4928316), (78, 3285544), (86, 2979912), (104, 2464158), (129, 1986608), (156, 1642772), (172, 1489956), (208, 1232079), (258, 993304), (312, 821386), (344, 744978), (516, 496652), (559, 458448), (624, 410693), (688, 372489), (1032, 248326), (1118, 229224), (1677, 152816), (2064, 124163), (2236, 114612), (3354, 76408), (4472, 57306), (6708, 38204), (8944, 28653), (9551, 26832), (13416, 19102)]