1689224720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:553

約数の個数: 160

約数和(自身を含む): 4345436160

約数和(自身を除く): 2656211440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 103, 124, 136, 155, 170, 206, 248, 272, 310, 340, 389, 412, 496, 515, 527, 620, 680, 778, 824, 1030, 1054, 1240, 1360, 1556, 1648, 1751, 1945, 2060, 2108, 2480, 2635, 3112, 3193, 3502, 3890, 4120, 4216, 5270, 6224, 6386, 6613, 7004, 7780, 8240, 8432, 8755, 10540, 12059, 12772, 13226, 14008, 15560, 15965, 17510, 21080, 24118, 25544, 26452, 28016, 31120, 31930, 33065, 35020, 40067, 42160, 48236, 51088, 52904, 54281, 60295, 63860, 66130, 70040, 80134, 96472, 105808, 108562, 120590, 127720, 132260, 140080, 160268, 192944, 200335, 205003, 217124, 241180, 255440, 264520, 271405, 320536, 400670, 410006, 434248, 482360, 529040, 542810, 641072, 681139, 801340, 820012, 868496, 964720, 1025015, 1085620, 1242077, 1362278, 1602680, 1640024, 2050030, 2171240, 2484154, 2724556, 3205360, 3280048, 3405695, 4100060, 4342480, 4968308, 5449112, 6210385, 6811390, 8200120, 9936616, 10898224, 12420770, 13622780, 16400240, 19873232, 21115309, 24841540, 27245560, 42230618, 49683080, 54491120, 84461236, 99366160, 105576545, 168922472, 211153090, 337844944, 422306180, 844612360, 1689224720]

約数ペア:

[(1, 1689224720), (2, 844612360), (4, 422306180), (5, 337844944), (8, 211153090), (10, 168922472), (16, 105576545), (17, 99366160), (20, 84461236), (31, 54491120), (34, 49683080), (40, 42230618), (62, 27245560), (68, 24841540), (80, 21115309), (85, 19873232), (103, 16400240), (124, 13622780), (136, 12420770), (155, 10898224), (170, 9936616), (206, 8200120), (248, 6811390), (272, 6210385), (310, 5449112), (340, 4968308), (389, 4342480), (412, 4100060), (496, 3405695), (515, 3280048), (527, 3205360), (620, 2724556), (680, 2484154), (778, 2171240), (824, 2050030), (1030, 1640024), (1054, 1602680), (1240, 1362278), (1360, 1242077), (1556, 1085620), (1648, 1025015), (1751, 964720), (1945, 868496), (2060, 820012), (2108, 801340), (2480, 681139), (2635, 641072), (3112, 542810), (3193, 529040), (3502, 482360), (3890, 434248), (4120, 410006), (4216, 400670), (5270, 320536), (6224, 271405), (6386, 264520), (6613, 255440), (7004, 241180), (7780, 217124), (8240, 205003), (8432, 200335), (8755, 192944), (10540, 160268), (12059, 140080), (12772, 132260), (13226, 127720), (14008, 120590), (15560, 108562), (15965, 105808), (17510, 96472), (21080, 80134), (24118, 70040), (25544, 66130), (26452, 63860), (28016, 60295), (31120, 54281), (31930, 52904), (33065, 51088), (35020, 48236), (40067, 42160)]