30306211.000000000

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{977}}^1$

素因数の和:1426

約数の個数: 64

約数和(自身を含む): 304197120

約数和(自身を除く): 186292760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 431, 862, 977, 1724, 1954, 2155, 3017, 3448, 3908, 4310, 4885, 6034, 6839, 7816, 8620, 9770, 12068, 13678, 15085, 17240, 19540, 24136, 27356, 30170, 34195, 39080, 54712, 60340, 68390, 120680, 136780, 273560, 421087, 842174, 1684348, 2105435, 2947609, 3368696, 4210870, 5895218, 8421740, 11790436, 14738045, 16843480, 23580872, 29476090, 58952180, 117904360]

約数ペア:

[(1, 117904360), (2, 58952180), (4, 29476090), (5, 23580872), (7, 16843480), (8, 14738045), (10, 11790436), (14, 8421740), (20, 5895218), (28, 4210870), (35, 3368696), (40, 2947609), (56, 2105435), (70, 1684348), (140, 842174), (280, 421087), (431, 273560), (862, 136780), (977, 120680), (1724, 68390), (1954, 60340), (2155, 54712), (3017, 39080), (3448, 34195), (3908, 30170), (4310, 27356), (4885, 24136), (6034, 19540), (6839, 17240), (7816, 15085), (8620, 13678), (9770, 12068)]