19856160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13789}}^1$

素因数の和:13810

約数の個数: 72

約数和(自身を含む): 67764060

約数和(自身を除く): 47907900

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 13789, 27578, 41367, 55156, 68945, 82734, 110312, 124101, 137890, 165468, 206835, 220624, 248202, 275780, 330936, 413670, 441248, 496404, 551560, 620505, 661872, 827340, 992808, 1103120, 1241010, 1323744, 1654680, 1985616, 2206240, 2482020, 3309360, 3971232, 4964040, 6618720, 9928080, 19856160]

約数ペア:

[(1, 19856160), (2, 9928080), (3, 6618720), (4, 4964040), (5, 3971232), (6, 3309360), (8, 2482020), (9, 2206240), (10, 1985616), (12, 1654680), (15, 1323744), (16, 1241010), (18, 1103120), (20, 992808), (24, 827340), (30, 661872), (32, 620505), (36, 551560), (40, 496404), (45, 441248), (48, 413670), (60, 330936), (72, 275780), (80, 248202), (90, 220624), (96, 206835), (120, 165468), (144, 137890), (160, 124101), (180, 110312), (240, 82734), (288, 68945), (360, 55156), (480, 41367), (720, 27578), (1440, 13789)]