15837780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{5387}}^1$

素因数の和:5413

約数の個数: 72

約数和(自身を含む): 51595488

約数和(自身を除く): 35757708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 5387, 10774, 16161, 21548, 26935, 32322, 37709, 53870, 64644, 75418, 80805, 107740, 113127, 150836, 161610, 188545, 226254, 263963, 323220, 377090, 452508, 527926, 565635, 754180, 791889, 1055852, 1131270, 1319815, 1583778, 2262540, 2639630, 3167556, 3959445, 5279260, 7918890, 15837780]

約数ペア:

[(1, 15837780), (2, 7918890), (3, 5279260), (4, 3959445), (5, 3167556), (6, 2639630), (7, 2262540), (10, 1583778), (12, 1319815), (14, 1131270), (15, 1055852), (20, 791889), (21, 754180), (28, 565635), (30, 527926), (35, 452508), (42, 377090), (49, 323220), (60, 263963), (70, 226254), (84, 188545), (98, 161610), (105, 150836), (140, 113127), (147, 107740), (196, 80805), (210, 75418), (245, 64644), (294, 53870), (420, 37709), (490, 32322), (588, 26935), (735, 21548), (980, 16161), (1470, 10774), (2940, 5387)]