68935720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1289}}^1$

素因数の和:1498

約数の個数: 64

約数和(自身を含む): 178329600

約数和(自身を除く): 109393880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 191, 280, 382, 764, 955, 1289, 1337, 1528, 1910, 2578, 2674, 3820, 5156, 5348, 6445, 6685, 7640, 9023, 10312, 10696, 12890, 13370, 18046, 25780, 26740, 36092, 45115, 51560, 53480, 72184, 90230, 180460, 246199, 360920, 492398, 984796, 1230995, 1723393, 1969592, 2461990, 3446786, 4923980, 6893572, 8616965, 9847960, 13787144, 17233930, 34467860, 68935720]

約数ペア:

[(1, 68935720), (2, 34467860), (4, 17233930), (5, 13787144), (7, 9847960), (8, 8616965), (10, 6893572), (14, 4923980), (20, 3446786), (28, 2461990), (35, 1969592), (40, 1723393), (56, 1230995), (70, 984796), (140, 492398), (191, 360920), (280, 246199), (382, 180460), (764, 90230), (955, 72184), (1289, 53480), (1337, 51560), (1528, 45115), (1910, 36092), (2578, 26740), (2674, 25780), (3820, 18046), (5156, 13370), (5348, 12890), (6445, 10696), (6685, 10312), (7640, 9023)]