9721440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:221

約数の個数: 144

約数和(自身を含む): 34162128

約数和(自身を除く): 24440688

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 96, 120, 129, 144, 157, 160, 172, 180, 215, 240, 258, 288, 314, 344, 360, 387, 430, 471, 480, 516, 628, 645, 688, 720, 774, 785, 860, 942, 1032, 1256, 1290, 1376, 1413, 1440, 1548, 1570, 1720, 1884, 1935, 2064, 2355, 2512, 2580, 2826, 3096, 3140, 3440, 3768, 3870, 4128, 4710, 5024, 5160, 5652, 6192, 6280, 6751, 6880, 7065, 7536, 7740, 9420, 10320, 11304, 12384, 12560, 13502, 14130, 15072, 15480, 18840, 20253, 20640, 22608, 25120, 27004, 28260, 30960, 33755, 37680, 40506, 45216, 54008, 56520, 60759, 61920, 67510, 75360, 81012, 101265, 108016, 113040, 121518, 135020, 162024, 202530, 216032, 226080, 243036, 270040, 303795, 324048, 405060, 486072, 540080, 607590, 648096, 810120, 972144, 1080160, 1215180, 1620240, 1944288, 2430360, 3240480, 4860720, 9721440]

約数ペア:

[(1, 9721440), (2, 4860720), (3, 3240480), (4, 2430360), (5, 1944288), (6, 1620240), (8, 1215180), (9, 1080160), (10, 972144), (12, 810120), (15, 648096), (16, 607590), (18, 540080), (20, 486072), (24, 405060), (30, 324048), (32, 303795), (36, 270040), (40, 243036), (43, 226080), (45, 216032), (48, 202530), (60, 162024), (72, 135020), (80, 121518), (86, 113040), (90, 108016), (96, 101265), (120, 81012), (129, 75360), (144, 67510), (157, 61920), (160, 60759), (172, 56520), (180, 54008), (215, 45216), (240, 40506), (258, 37680), (288, 33755), (314, 30960), (344, 28260), (360, 27004), (387, 25120), (430, 22608), (471, 20640), (480, 20253), (516, 18840), (628, 15480), (645, 15072), (688, 14130), (720, 13502), (774, 12560), (785, 12384), (860, 11304), (942, 10320), (1032, 9420), (1256, 7740), (1290, 7536), (1376, 7065), (1413, 6880), (1440, 6751), (1548, 6280), (1570, 6192), (1720, 5652), (1884, 5160), (1935, 5024), (2064, 4710), (2355, 4128), (2512, 3870), (2580, 3768), (2826, 3440), (3096, 3140)]