31376520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{12451}}^1$

素因数の和:12475

約数の個数: 96

約数和(自身を含む): 116550720

約数和(自身を除く): 85174200

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, 12451, 24902, 37353, 49804, 62255, 74706, 87157, 99608, 112059, 124510, 149412, 174314, 186765, 224118, 249020, 261471, 298824, 348628, 373530, 435785, 448236, 498040, 522942, 560295, 697256, 747060, 784413, 871570, 896472, 1045884, 1120590, 1307355, 1494120, 1568826, 1743140, 2091768, 2241180, 2614710, 3137652, 3486280, 3922065, 4482360, 5229420, 6275304, 7844130, 10458840, 15688260, 31376520]

約数ペア:

[(1, 31376520), (2, 15688260), (3, 10458840), (4, 7844130), (5, 6275304), (6, 5229420), (7, 4482360), (8, 3922065), (9, 3486280), (10, 3137652), (12, 2614710), (14, 2241180), (15, 2091768), (18, 1743140), (20, 1568826), (21, 1494120), (24, 1307355), (28, 1120590), (30, 1045884), (35, 896472), (36, 871570), (40, 784413), (42, 747060), (45, 697256), (56, 560295), (60, 522942), (63, 498040), (70, 448236), (72, 435785), (84, 373530), (90, 348628), (105, 298824), (120, 261471), (126, 249020), (140, 224118), (168, 186765), (180, 174314), (210, 149412), (252, 124510), (280, 112059), (315, 99608), (360, 87157), (420, 74706), (504, 62255), (630, 49804), (840, 37353), (1260, 24902), (2520, 12451)]