128298520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{2399}}^1$

素因数の和:2608

約数の個数: 64

約数和(自身を含む): 331776000

約数和(自身を除く): 203477480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 191, 280, 382, 764, 955, 1337, 1528, 1910, 2399, 2674, 3820, 4798, 5348, 6685, 7640, 9596, 10696, 11995, 13370, 16793, 19192, 23990, 26740, 33586, 47980, 53480, 67172, 83965, 95960, 134344, 167930, 335860, 458209, 671720, 916418, 1832836, 2291045, 3207463, 3665672, 4582090, 6414926, 9164180, 12829852, 16037315, 18328360, 25659704, 32074630, 64149260, 128298520]

約数ペア:

[(1, 128298520), (2, 64149260), (4, 32074630), (5, 25659704), (7, 18328360), (8, 16037315), (10, 12829852), (14, 9164180), (20, 6414926), (28, 4582090), (35, 3665672), (40, 3207463), (56, 2291045), (70, 1832836), (140, 916418), (191, 671720), (280, 458209), (382, 335860), (764, 167930), (955, 134344), (1337, 95960), (1528, 83965), (1910, 67172), (2399, 53480), (2674, 47980), (3820, 33586), (4798, 26740), (5348, 23990), (6685, 19192), (7640, 16793), (9596, 13370), (10696, 11995)]