30365720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9859}}^1$

素因数の和:9888

約数の個数: 64

約数和(自身を含む): 85190400

約数和(自身を除く): 54824680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 9859, 19718, 39436, 49295, 69013, 78872, 98590, 108449, 138026, 197180, 216898, 276052, 345065, 394360, 433796, 542245, 552104, 690130, 759143, 867592, 1084490, 1380260, 1518286, 2168980, 2760520, 3036572, 3795715, 4337960, 6073144, 7591430, 15182860, 30365720]

約数ペア:

[(1, 30365720), (2, 15182860), (4, 7591430), (5, 6073144), (7, 4337960), (8, 3795715), (10, 3036572), (11, 2760520), (14, 2168980), (20, 1518286), (22, 1380260), (28, 1084490), (35, 867592), (40, 759143), (44, 690130), (55, 552104), (56, 542245), (70, 433796), (77, 394360), (88, 345065), (110, 276052), (140, 216898), (154, 197180), (220, 138026), (280, 108449), (308, 98590), (385, 78872), (440, 69013), (616, 49295), (770, 39436), (1540, 19718), (3080, 9859)]