77907440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3257}}^1$

素因数の和:3306

約数の個数: 80

約数和(自身を含む): 203611968

約数和(自身を除く): 125704528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1840, 2392, 2990, 3257, 4784, 5980, 6514, 11960, 13028, 16285, 23920, 26056, 32570, 42341, 52112, 65140, 74911, 84682, 130280, 149822, 169364, 211705, 260560, 299644, 338728, 374555, 423410, 599288, 677456, 749110, 846820, 973843, 1198576, 1498220, 1693640, 1947686, 2996440, 3387280, 3895372, 4869215, 5992880, 7790744, 9738430, 15581488, 19476860, 38953720, 77907440]

約数ペア:

[(1, 77907440), (2, 38953720), (4, 19476860), (5, 15581488), (8, 9738430), (10, 7790744), (13, 5992880), (16, 4869215), (20, 3895372), (23, 3387280), (26, 2996440), (40, 1947686), (46, 1693640), (52, 1498220), (65, 1198576), (80, 973843), (92, 846820), (104, 749110), (115, 677456), (130, 599288), (184, 423410), (208, 374555), (230, 338728), (260, 299644), (299, 260560), (368, 211705), (460, 169364), (520, 149822), (598, 130280), (920, 84682), (1040, 74911), (1196, 65140), (1495, 52112), (1840, 42341), (2392, 32570), (2990, 26056), (3257, 23920), (4784, 16285), (5980, 13028), (6514, 11960)]