81120348

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{509}}^1$

素因数の和:771

約数の個数: 72

約数和(自身を含む): 217198800

約数和(自身を除く): 136078452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 233, 342, 466, 509, 684, 699, 932, 1018, 1398, 1527, 2036, 2097, 2796, 3054, 4194, 4427, 4581, 6108, 8388, 8854, 9162, 9671, 13281, 17708, 18324, 19342, 26562, 29013, 38684, 39843, 53124, 58026, 79686, 87039, 116052, 118597, 159372, 174078, 237194, 348156, 355791, 474388, 711582, 1067373, 1423164, 2134746, 2253343, 4269492, 4506686, 6760029, 9013372, 13520058, 20280087, 27040116, 40560174, 81120348]

約数ペア:

[(1, 81120348), (2, 40560174), (3, 27040116), (4, 20280087), (6, 13520058), (9, 9013372), (12, 6760029), (18, 4506686), (19, 4269492), (36, 2253343), (38, 2134746), (57, 1423164), (76, 1067373), (114, 711582), (171, 474388), (228, 355791), (233, 348156), (342, 237194), (466, 174078), (509, 159372), (684, 118597), (699, 116052), (932, 87039), (1018, 79686), (1398, 58026), (1527, 53124), (2036, 39843), (2097, 38684), (2796, 29013), (3054, 26562), (4194, 19342), (4427, 18324), (4581, 17708), (6108, 13281), (8388, 9671), (8854, 9162)]