77564280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:373

約数の個数: 128

約数和(自身を含む): 245721600

約数和(自身を除く): 168157320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 157, 179, 184, 230, 276, 314, 345, 358, 460, 471, 537, 552, 628, 690, 716, 785, 895, 920, 942, 1074, 1256, 1380, 1432, 1570, 1790, 1884, 2148, 2355, 2685, 2760, 3140, 3580, 3611, 3768, 4117, 4296, 4710, 5370, 6280, 7160, 7222, 8234, 9420, 10740, 10833, 12351, 14444, 16468, 18055, 18840, 20585, 21480, 21666, 24702, 28103, 28888, 32936, 36110, 41170, 43332, 49404, 54165, 56206, 61755, 72220, 82340, 84309, 86664, 98808, 108330, 112412, 123510, 140515, 144440, 164680, 168618, 216660, 224824, 247020, 281030, 337236, 421545, 433320, 494040, 562060, 646369, 674472, 843090, 1124120, 1292738, 1686180, 1939107, 2585476, 3231845, 3372360, 3878214, 5170952, 6463690, 7756428, 9695535, 12927380, 15512856, 19391070, 25854760, 38782140, 77564280]

約数ペア:

[(1, 77564280), (2, 38782140), (3, 25854760), (4, 19391070), (5, 15512856), (6, 12927380), (8, 9695535), (10, 7756428), (12, 6463690), (15, 5170952), (20, 3878214), (23, 3372360), (24, 3231845), (30, 2585476), (40, 1939107), (46, 1686180), (60, 1292738), (69, 1124120), (92, 843090), (115, 674472), (120, 646369), (138, 562060), (157, 494040), (179, 433320), (184, 421545), (230, 337236), (276, 281030), (314, 247020), (345, 224824), (358, 216660), (460, 168618), (471, 164680), (537, 144440), (552, 140515), (628, 123510), (690, 112412), (716, 108330), (785, 98808), (895, 86664), (920, 84309), (942, 82340), (1074, 72220), (1256, 61755), (1380, 56206), (1432, 54165), (1570, 49404), (1790, 43332), (1884, 41170), (2148, 36110), (2355, 32936), (2685, 28888), (2760, 28103), (3140, 24702), (3580, 21666), (3611, 21480), (3768, 20585), (4117, 18840), (4296, 18055), (4710, 16468), (5370, 14444), (6280, 12351), (7160, 10833), (7222, 10740), (8234, 9420)]