15879890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 33094656

約数和(自身を除く): 17214766

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 47, 65, 94, 113, 115, 130, 226, 230, 235, 299, 470, 565, 598, 611, 1081, 1130, 1222, 1469, 1495, 2162, 2599, 2938, 2990, 3055, 5198, 5311, 5405, 6110, 7345, 10622, 10810, 12995, 14053, 14690, 25990, 26555, 28106, 33787, 53110, 67574, 69043, 70265, 122153, 138086, 140530, 168935, 244306, 337870, 345215, 610765, 690430, 1221530, 1587989, 3175978, 7939945, 15879890]

約数ペア:

[(1, 15879890), (2, 7939945), (5, 3175978), (10, 1587989), (13, 1221530), (23, 690430), (26, 610765), (46, 345215), (47, 337870), (65, 244306), (94, 168935), (113, 140530), (115, 138086), (130, 122153), (226, 70265), (230, 69043), (235, 67574), (299, 53110), (470, 33787), (565, 28106), (598, 26555), (611, 25990), (1081, 14690), (1130, 14053), (1222, 12995), (1469, 10810), (1495, 10622), (2162, 7345), (2599, 6110), (2938, 5405), (2990, 5311), (3055, 5198)]