81529560

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{32353}}^1$

素因数の和:32377

約数の個数: 96

約数和(自身を含む): 302833440

約数和(自身を除く): 221303880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 32353, 64706, 97059, 129412, 161765, 194118, 226471, 258824, 291177, 323530, 388236, 452942, 485295, 582354, 647060, 679413, 776472, 905884, 970590, 1132355, 1164708, 1294120, 1358826, 1455885, 1811768, 1941180, 2038239, 2264710, 2329416, 2717652, 2911770, 3397065, 3882360, 4076478, 4529420, 5435304, 5823540, 6794130, 8152956, 9058840, 10191195, 11647080, 13588260, 16305912, 20382390, 27176520, 40764780, 81529560]

約数ペア:

[(1, 81529560), (2, 40764780), (3, 27176520), (4, 20382390), (5, 16305912), (6, 13588260), (7, 11647080), (8, 10191195), (9, 9058840), (10, 8152956), (12, 6794130), (14, 5823540), (15, 5435304), (18, 4529420), (20, 4076478), (21, 3882360), (24, 3397065), (28, 2911770), (30, 2717652), (35, 2329416), (36, 2264710), (40, 2038239), (42, 1941180), (45, 1811768), (56, 1455885), (60, 1358826), (63, 1294120), (70, 1164708), (72, 1132355), (84, 970590), (90, 905884), (105, 776472), (120, 679413), (126, 647060), (140, 582354), (168, 485295), (180, 452942), (210, 388236), (252, 323530), (280, 291177), (315, 258824), (360, 226471), (420, 194118), (504, 161765), (630, 129412), (840, 97059), (1260, 64706), (2520, 32353)]