128428920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1993}}^1$

素因数の和:2189

約数の個数: 96

約数和(自身を含む): 419936400

約数和(自身を除く): 291507480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 179, 180, 358, 360, 537, 716, 895, 1074, 1432, 1611, 1790, 1993, 2148, 2685, 3222, 3580, 3986, 4296, 5370, 5979, 6444, 7160, 7972, 8055, 9965, 10740, 11958, 12888, 15944, 16110, 17937, 19930, 21480, 23916, 29895, 32220, 35874, 39860, 47832, 59790, 64440, 71748, 79720, 89685, 119580, 143496, 179370, 239160, 356747, 358740, 713494, 717480, 1070241, 1426988, 1783735, 2140482, 2853976, 3210723, 3567470, 4280964, 5351205, 6421446, 7134940, 8561928, 10702410, 12842892, 14269880, 16053615, 21404820, 25685784, 32107230, 42809640, 64214460, 128428920]

約数ペア:

[(1, 128428920), (2, 64214460), (3, 42809640), (4, 32107230), (5, 25685784), (6, 21404820), (8, 16053615), (9, 14269880), (10, 12842892), (12, 10702410), (15, 8561928), (18, 7134940), (20, 6421446), (24, 5351205), (30, 4280964), (36, 3567470), (40, 3210723), (45, 2853976), (60, 2140482), (72, 1783735), (90, 1426988), (120, 1070241), (179, 717480), (180, 713494), (358, 358740), (360, 356747), (537, 239160), (716, 179370), (895, 143496), (1074, 119580), (1432, 89685), (1611, 79720), (1790, 71748), (1993, 64440), (2148, 59790), (2685, 47832), (3222, 39860), (3580, 35874), (3986, 32220), (4296, 29895), (5370, 23916), (5979, 21480), (6444, 19930), (7160, 17937), (7972, 16110), (8055, 15944), (9965, 12888), (10740, 11958)]