128785860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2377}}^1$

素因数の和:2442

約数の個数: 144

約数和(自身を含む): 457032576

約数和(自身を除く): 328246716

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 387, 420, 430, 516, 602, 630, 645, 774, 860, 903, 1204, 1260, 1290, 1505, 1548, 1806, 1935, 2377, 2580, 2709, 3010, 3612, 3870, 4515, 4754, 5418, 6020, 7131, 7740, 9030, 9508, 10836, 11885, 13545, 14262, 16639, 18060, 21393, 23770, 27090, 28524, 33278, 35655, 42786, 47540, 49917, 54180, 66556, 71310, 83195, 85572, 99834, 102211, 106965, 142620, 149751, 166390, 199668, 204422, 213930, 249585, 299502, 306633, 332780, 408844, 427860, 499170, 511055, 599004, 613266, 715477, 748755, 919899, 998340, 1022110, 1226532, 1430954, 1497510, 1533165, 1839798, 2044220, 2146431, 2861908, 2995020, 3066330, 3577385, 3679596, 4292862, 4599495, 6132660, 6439293, 7154770, 8585724, 9198990, 10732155, 12878586, 14309540, 18397980, 21464310, 25757172, 32196465, 42928620, 64392930, 128785860]

約数ペア:

[(1, 128785860), (2, 64392930), (3, 42928620), (4, 32196465), (5, 25757172), (6, 21464310), (7, 18397980), (9, 14309540), (10, 12878586), (12, 10732155), (14, 9198990), (15, 8585724), (18, 7154770), (20, 6439293), (21, 6132660), (28, 4599495), (30, 4292862), (35, 3679596), (36, 3577385), (42, 3066330), (43, 2995020), (45, 2861908), (60, 2146431), (63, 2044220), (70, 1839798), (84, 1533165), (86, 1497510), (90, 1430954), (105, 1226532), (126, 1022110), (129, 998340), (140, 919899), (172, 748755), (180, 715477), (210, 613266), (215, 599004), (252, 511055), (258, 499170), (301, 427860), (315, 408844), (387, 332780), (420, 306633), (430, 299502), (516, 249585), (602, 213930), (630, 204422), (645, 199668), (774, 166390), (860, 149751), (903, 142620), (1204, 106965), (1260, 102211), (1290, 99834), (1505, 85572), (1548, 83195), (1806, 71310), (1935, 66556), (2377, 54180), (2580, 49917), (2709, 47540), (3010, 42786), (3612, 35655), (3870, 33278), (4515, 28524), (4754, 27090), (5418, 23770), (6020, 21393), (7131, 18060), (7740, 16639), (9030, 14262), (9508, 13545), (10836, 11885)]