71328240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{631}}^1$

素因数の和:807

約数の個数: 120

約数和(自身を含む): 241451808

約数和(自身を除く): 170123568

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 157, 180, 240, 314, 360, 471, 628, 631, 720, 785, 942, 1256, 1262, 1413, 1570, 1884, 1893, 2355, 2512, 2524, 2826, 3140, 3155, 3768, 3786, 4710, 5048, 5652, 5679, 6280, 6310, 7065, 7536, 7572, 9420, 9465, 10096, 11304, 11358, 12560, 12620, 14130, 15144, 18840, 18930, 22608, 22716, 25240, 28260, 28395, 30288, 37680, 37860, 45432, 50480, 56520, 56790, 75720, 90864, 99067, 113040, 113580, 151440, 198134, 227160, 297201, 396268, 454320, 495335, 594402, 792536, 891603, 990670, 1188804, 1486005, 1585072, 1783206, 1981340, 2377608, 2972010, 3566412, 3962680, 4458015, 4755216, 5944020, 7132824, 7925360, 8916030, 11888040, 14265648, 17832060, 23776080, 35664120, 71328240]

約数ペア:

[(1, 71328240), (2, 35664120), (3, 23776080), (4, 17832060), (5, 14265648), (6, 11888040), (8, 8916030), (9, 7925360), (10, 7132824), (12, 5944020), (15, 4755216), (16, 4458015), (18, 3962680), (20, 3566412), (24, 2972010), (30, 2377608), (36, 1981340), (40, 1783206), (45, 1585072), (48, 1486005), (60, 1188804), (72, 990670), (80, 891603), (90, 792536), (120, 594402), (144, 495335), (157, 454320), (180, 396268), (240, 297201), (314, 227160), (360, 198134), (471, 151440), (628, 113580), (631, 113040), (720, 99067), (785, 90864), (942, 75720), (1256, 56790), (1262, 56520), (1413, 50480), (1570, 45432), (1884, 37860), (1893, 37680), (2355, 30288), (2512, 28395), (2524, 28260), (2826, 25240), (3140, 22716), (3155, 22608), (3768, 18930), (3786, 18840), (4710, 15144), (5048, 14130), (5652, 12620), (5679, 12560), (6280, 11358), (6310, 11304), (7065, 10096), (7536, 9465), (7572, 9420)]