28357320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{617}}^1$

素因数の和:1014

約数の個数: 64

約数和(自身を含む): 85432320

約数和(自身を除く): 57075000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 383, 617, 766, 1149, 1234, 1532, 1851, 1915, 2298, 2468, 3064, 3085, 3702, 3830, 4596, 4936, 5745, 6170, 7404, 7660, 9192, 9255, 11490, 12340, 14808, 15320, 18510, 22980, 24680, 37020, 45960, 74040, 236311, 472622, 708933, 945244, 1181555, 1417866, 1890488, 2363110, 2835732, 3544665, 4726220, 5671464, 7089330, 9452440, 14178660, 28357320]

約数ペア:

[(1, 28357320), (2, 14178660), (3, 9452440), (4, 7089330), (5, 5671464), (6, 4726220), (8, 3544665), (10, 2835732), (12, 2363110), (15, 1890488), (20, 1417866), (24, 1181555), (30, 945244), (40, 708933), (60, 472622), (120, 236311), (383, 74040), (617, 45960), (766, 37020), (1149, 24680), (1234, 22980), (1532, 18510), (1851, 15320), (1915, 14808), (2298, 12340), (2468, 11490), (3064, 9255), (3085, 9192), (3702, 7660), (3830, 7404), (4596, 6170), (4936, 5745)]