80843700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:442

約数の個数: 144

約数和(自身を含む): 270232704

約数和(自身を除く): 189389004

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 137, 140, 150, 175, 210, 274, 281, 300, 350, 411, 420, 525, 548, 562, 685, 700, 822, 843, 959, 1050, 1124, 1370, 1405, 1644, 1686, 1918, 1967, 2055, 2100, 2740, 2810, 2877, 3372, 3425, 3836, 3934, 4110, 4215, 4795, 5620, 5754, 5901, 6850, 7025, 7868, 8220, 8430, 9590, 9835, 10275, 11508, 11802, 13700, 14050, 14385, 16860, 19180, 19670, 20550, 21075, 23604, 23975, 28100, 28770, 29505, 38497, 39340, 41100, 42150, 47950, 49175, 57540, 59010, 71925, 76994, 84300, 95900, 98350, 115491, 118020, 143850, 147525, 153988, 192485, 196700, 230982, 269479, 287700, 295050, 384970, 461964, 538958, 577455, 590100, 769940, 808437, 962425, 1077916, 1154910, 1347395, 1616874, 1924850, 2309820, 2694790, 2887275, 3233748, 3849700, 4042185, 5389580, 5774550, 6736975, 8084370, 11549100, 13473950, 16168740, 20210925, 26947900, 40421850, 80843700]

約数ペア:

[(1, 80843700), (2, 40421850), (3, 26947900), (4, 20210925), (5, 16168740), (6, 13473950), (7, 11549100), (10, 8084370), (12, 6736975), (14, 5774550), (15, 5389580), (20, 4042185), (21, 3849700), (25, 3233748), (28, 2887275), (30, 2694790), (35, 2309820), (42, 1924850), (50, 1616874), (60, 1347395), (70, 1154910), (75, 1077916), (84, 962425), (100, 808437), (105, 769940), (137, 590100), (140, 577455), (150, 538958), (175, 461964), (210, 384970), (274, 295050), (281, 287700), (300, 269479), (350, 230982), (411, 196700), (420, 192485), (525, 153988), (548, 147525), (562, 143850), (685, 118020), (700, 115491), (822, 98350), (843, 95900), (959, 84300), (1050, 76994), (1124, 71925), (1370, 59010), (1405, 57540), (1644, 49175), (1686, 47950), (1918, 42150), (1967, 41100), (2055, 39340), (2100, 38497), (2740, 29505), (2810, 28770), (2877, 28100), (3372, 23975), (3425, 23604), (3836, 21075), (3934, 20550), (4110, 19670), (4215, 19180), (4795, 16860), (5620, 14385), (5754, 14050), (5901, 13700), (6850, 11802), (7025, 11508), (7868, 10275), (8220, 9835), (8430, 9590)]