1291956720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{719}}^1\times {\mathrm{7487}}^1$

素因数の和:8222

約数の個数: 80

約数和(自身を含む): 4011171840

約数和(自身を除く): 2719215120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 719, 1438, 2157, 2876, 3595, 4314, 5752, 7190, 7487, 8628, 10785, 11504, 14380, 14974, 17256, 21570, 22461, 28760, 29948, 34512, 37435, 43140, 44922, 57520, 59896, 74870, 86280, 89844, 112305, 119792, 149740, 172560, 179688, 224610, 299480, 359376, 449220, 598960, 898440, 1796880, 5383153, 10766306, 16149459, 21532612, 26915765, 32298918, 43065224, 53831530, 64597836, 80747295, 86130448, 107663060, 129195672, 161494590, 215326120, 258391344, 322989180, 430652240, 645978360, 1291956720]

約数ペア:

[(1, 1291956720), (2, 645978360), (3, 430652240), (4, 322989180), (5, 258391344), (6, 215326120), (8, 161494590), (10, 129195672), (12, 107663060), (15, 86130448), (16, 80747295), (20, 64597836), (24, 53831530), (30, 43065224), (40, 32298918), (48, 26915765), (60, 21532612), (80, 16149459), (120, 10766306), (240, 5383153), (719, 1796880), (1438, 898440), (2157, 598960), (2876, 449220), (3595, 359376), (4314, 299480), (5752, 224610), (7190, 179688), (7487, 172560), (8628, 149740), (10785, 119792), (11504, 112305), (14380, 89844), (14974, 86280), (17256, 74870), (21570, 59896), (22461, 57520), (28760, 44922), (29948, 43140), (34512, 37435)]