178330020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1721}}^1$

素因数の和:1901

約数の個数: 96

約数和(自身を含む): 548505216

約数和(自身を除く): 370175196

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 157, 165, 220, 314, 330, 471, 628, 660, 785, 942, 1570, 1721, 1727, 1884, 2355, 3140, 3442, 3454, 4710, 5163, 5181, 6884, 6908, 8605, 8635, 9420, 10326, 10362, 17210, 17270, 18931, 20652, 20724, 25815, 25905, 34420, 34540, 37862, 51630, 51810, 56793, 75724, 94655, 103260, 103620, 113586, 189310, 227172, 270197, 283965, 378620, 540394, 567930, 810591, 1080788, 1135860, 1350985, 1621182, 2701970, 2972167, 3242364, 4052955, 5403940, 5944334, 8105910, 8916501, 11888668, 14860835, 16211820, 17833002, 29721670, 35666004, 44582505, 59443340, 89165010, 178330020]

約数ペア:

[(1, 178330020), (2, 89165010), (3, 59443340), (4, 44582505), (5, 35666004), (6, 29721670), (10, 17833002), (11, 16211820), (12, 14860835), (15, 11888668), (20, 8916501), (22, 8105910), (30, 5944334), (33, 5403940), (44, 4052955), (55, 3242364), (60, 2972167), (66, 2701970), (110, 1621182), (132, 1350985), (157, 1135860), (165, 1080788), (220, 810591), (314, 567930), (330, 540394), (471, 378620), (628, 283965), (660, 270197), (785, 227172), (942, 189310), (1570, 113586), (1721, 103620), (1727, 103260), (1884, 94655), (2355, 75724), (3140, 56793), (3442, 51810), (3454, 51630), (4710, 37862), (5163, 34540), (5181, 34420), (6884, 25905), (6908, 25815), (8605, 20724), (8635, 20652), (9420, 18931), (10326, 17270), (10362, 17210)]