11951720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1181}}^1$

素因数の和:1226

約数の個数: 64

約数和(自身を含む): 30637440

約数和(自身を除く): 18685720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1181, 1265, 2024, 2362, 2530, 4724, 5060, 5905, 9448, 10120, 11810, 12991, 23620, 25982, 27163, 47240, 51964, 54326, 64955, 103928, 108652, 129910, 135815, 217304, 259820, 271630, 298793, 519640, 543260, 597586, 1086520, 1195172, 1493965, 2390344, 2987930, 5975860, 11951720]

約数ペア:

[(1, 11951720), (2, 5975860), (4, 2987930), (5, 2390344), (8, 1493965), (10, 1195172), (11, 1086520), (20, 597586), (22, 543260), (23, 519640), (40, 298793), (44, 271630), (46, 259820), (55, 217304), (88, 135815), (92, 129910), (110, 108652), (115, 103928), (184, 64955), (220, 54326), (230, 51964), (253, 47240), (440, 27163), (460, 25982), (506, 23620), (920, 12991), (1012, 11810), (1181, 10120), (1265, 9448), (2024, 5905), (2362, 5060), (2530, 4724)]