30521480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{977}}^1$

素因数の和:1070

約数の個数: 64

約数和(自身を含む): 76049280

約数和(自身を除く): 45527800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 977, 1420, 1562, 1954, 2840, 3124, 3905, 3908, 4885, 6248, 7810, 7816, 9770, 10747, 15620, 19540, 21494, 31240, 39080, 42988, 53735, 69367, 85976, 107470, 138734, 214940, 277468, 346835, 429880, 554936, 693670, 763037, 1387340, 1526074, 2774680, 3052148, 3815185, 6104296, 7630370, 15260740, 30521480]

約数ペア:

[(1, 30521480), (2, 15260740), (4, 7630370), (5, 6104296), (8, 3815185), (10, 3052148), (11, 2774680), (20, 1526074), (22, 1387340), (40, 763037), (44, 693670), (55, 554936), (71, 429880), (88, 346835), (110, 277468), (142, 214940), (220, 138734), (284, 107470), (355, 85976), (440, 69367), (568, 53735), (710, 42988), (781, 39080), (977, 31240), (1420, 21494), (1562, 19540), (1954, 15620), (2840, 10747), (3124, 9770), (3905, 7816), (3908, 7810), (4885, 6248)]