161569380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{281}}^1$

素因数の和:374

約数の個数: 144

約数和(自身を含む): 533264256

約数和(自身を除く): 371694876

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 60, 70, 74, 84, 105, 111, 140, 148, 185, 210, 222, 259, 281, 370, 420, 444, 518, 555, 562, 740, 777, 843, 1036, 1110, 1124, 1295, 1369, 1405, 1554, 1686, 1967, 2220, 2590, 2738, 2810, 3108, 3372, 3885, 3934, 4107, 4215, 5180, 5476, 5620, 5901, 6845, 7770, 7868, 8214, 8430, 9583, 9835, 10397, 11802, 13690, 15540, 16428, 16860, 19166, 19670, 20535, 20794, 23604, 27380, 28749, 29505, 31191, 38332, 39340, 41070, 41588, 47915, 51985, 57498, 59010, 62382, 72779, 82140, 95830, 103970, 114996, 118020, 124764, 143745, 145558, 155955, 191660, 207940, 218337, 287490, 291116, 311910, 363895, 384689, 436674, 574980, 623820, 727790, 769378, 873348, 1091685, 1154067, 1455580, 1538756, 1923445, 2183370, 2308134, 2692823, 3846890, 4366740, 4616268, 5385646, 5770335, 7693780, 8078469, 10771292, 11540670, 13464115, 16156938, 23081340, 26928230, 32313876, 40392345, 53856460, 80784690, 161569380]

約数ペア:

[(1, 161569380), (2, 80784690), (3, 53856460), (4, 40392345), (5, 32313876), (6, 26928230), (7, 23081340), (10, 16156938), (12, 13464115), (14, 11540670), (15, 10771292), (20, 8078469), (21, 7693780), (28, 5770335), (30, 5385646), (35, 4616268), (37, 4366740), (42, 3846890), (60, 2692823), (70, 2308134), (74, 2183370), (84, 1923445), (105, 1538756), (111, 1455580), (140, 1154067), (148, 1091685), (185, 873348), (210, 769378), (222, 727790), (259, 623820), (281, 574980), (370, 436674), (420, 384689), (444, 363895), (518, 311910), (555, 291116), (562, 287490), (740, 218337), (777, 207940), (843, 191660), (1036, 155955), (1110, 145558), (1124, 143745), (1295, 124764), (1369, 118020), (1405, 114996), (1554, 103970), (1686, 95830), (1967, 82140), (2220, 72779), (2590, 62382), (2738, 59010), (2810, 57498), (3108, 51985), (3372, 47915), (3885, 41588), (3934, 41070), (4107, 39340), (4215, 38332), (5180, 31191), (5476, 29505), (5620, 28749), (5901, 27380), (6845, 23604), (7770, 20794), (7868, 20535), (8214, 19670), (8430, 19166), (9583, 16860), (9835, 16428), (10397, 15540), (11802, 13690)]