28552020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{433}}^1$

素因数の和:609

約数の個数: 96

約数和(自身を含む): 92160768

約数和(自身を除く): 63608748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 157, 210, 314, 420, 433, 471, 628, 785, 866, 942, 1099, 1299, 1570, 1732, 1884, 2165, 2198, 2355, 2598, 3031, 3140, 3297, 4330, 4396, 4710, 5196, 5495, 6062, 6495, 6594, 8660, 9093, 9420, 10990, 12124, 12990, 13188, 15155, 16485, 18186, 21980, 25980, 30310, 32970, 36372, 45465, 60620, 65940, 67981, 90930, 135962, 181860, 203943, 271924, 339905, 407886, 475867, 679810, 815772, 951734, 1019715, 1359620, 1427601, 1903468, 2039430, 2379335, 2855202, 4078860, 4758670, 5710404, 7138005, 9517340, 14276010, 28552020]

約数ペア:

[(1, 28552020), (2, 14276010), (3, 9517340), (4, 7138005), (5, 5710404), (6, 4758670), (7, 4078860), (10, 2855202), (12, 2379335), (14, 2039430), (15, 1903468), (20, 1427601), (21, 1359620), (28, 1019715), (30, 951734), (35, 815772), (42, 679810), (60, 475867), (70, 407886), (84, 339905), (105, 271924), (140, 203943), (157, 181860), (210, 135962), (314, 90930), (420, 67981), (433, 65940), (471, 60620), (628, 45465), (785, 36372), (866, 32970), (942, 30310), (1099, 25980), (1299, 21980), (1570, 18186), (1732, 16485), (1884, 15155), (2165, 13188), (2198, 12990), (2355, 12124), (2598, 10990), (3031, 9420), (3140, 9093), (3297, 8660), (4330, 6594), (4396, 6495), (4710, 6062), (5196, 5495)]